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Changing the Subject - Harder Formulae (Higher Only) | GCSE Maths Tutor

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A video revising the techniques and strategies for changing the subject of harder formulae (rearranging formula) - Higher Only
This video is part of the Algebra module in GCSE maths, see my other videos below to continue with the series.
🔹 Watch the video
🔹 Make notes
🔹 Practice the questions
🔹 Mark your work
🔹 Review what you have learnt on the exam questions
Part 1 - Laws of Indices - • Laws of Indices (Highe...
Part 2 - Collecting Like Terms - • Collecting Like Terms ...
Part 3 - Expanding and Simplifying - • Expanding Single Brack...
Part 4 - Double Brackets - • Expanding Double Brack...
Part 5 - Factorising - • Factorising (Higher & ...
Part 6 - Factorising Quadratics - • Factorising Quadratics...
Part 7 - Substitution - • Substitution (Higher &...
Part 8 - Changing the Subject Part 1 - • Changing the Subject o...
Part 9 - Simultaneous Equations - • Simultaneous Equations...
Part 10 - Changing the Subject Part 2 (Higher Only) - • Changing the Subject -...
Part 11 - Expanding Triple Brackets (Higher Only) - • Expanding Triple Brack...
Part 12 - Factorising Harder Quadratics (Higher Only) - • Factorising Harder Qua...
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Опубликовано:

22 авг 2024

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Комментарии : 189

@irfan6973 3 года назад

thanks so much you’ve helped me learn like 6 completely new higher topics that i never knew i would be able to do i’ve just started watching and the space of three days i’ve learnt so much the only problem is i really struggle with understanding exam questions and would really appreciate it if you could make a video on exactly how answer exam styled questions that are written in a harder format to understand

@KKMDB 3 года назад

Simon Deacon here on YT is great for going through exam questions and papers.

@lola100yearsago8 2 года назад

@@KKMDB it’s 3 minute maths now

@premamuthukumar5352 11 месяцев назад

ty@@lola100yearsago8

@flynnsimpson9190 4 года назад

loving your way of teaching /explaining maths that i thought was impossible to figure out. Please keep up your videos you legend. :)

@TheGCSEMathsTutor 4 года назад

Flynn Simpson Thank you so much for the feedback I’m so glad to hear the channel is working out for you! 😁🙏🏼 let me know if there are any particular topics you are struggling with!!

@flynnsimpson9190 4 года назад

@@TheGCSEMathsTutor Yes. I have just started back at school and your videos have really helped me get a head start. I will definitely comment in the future with any topics i am struggling with. Im glad you replied back and are offering help if i need it. 😁🥰👨‍🏫

@TheGCSEMathsTutor 4 года назад

Flynn Simpson great to hear! Keep up the great work 😁

@alinalilka8430 3 года назад

@Elisha Jacoby guys its a scam I've seen so many people saying this

@maximusekon146 2 года назад

@@alinalilka8430 lol

@muzhirasadeek6431 2 года назад

before this, i had to watch multiple videos and learn from many people to grasp and understanding of some math topics, and even then i'd forget after while. your channel is amazing, i get the concepts almost instantly and when i do the questions alongside w the video, i always get them right now, and my igcse is the day after tomorrow, so i really appreciate stumbling upon this channel. it's literally a lifesaver and i'm practically glowing and i feel so relieved and am less stressed about the paper. thank you for your work and keep going! we need people like this. -a (previously) stressed student

@Letik3x 2 года назад

Thank YOU some much! i have mocks in a few weeks and my teacher was trying to explain this topic but she over complicated it. Your way of teaching really help me so Thanks !

@TheGCSEMathsTutor 2 года назад

I’m so glad to hear that! It’s always helpful to hear different methods and have different option so I’m really glad this one worked for you 😁🙏🏼

@4hm3d.7 Год назад

bro i hated these higher questions and hoped these wouldn't pop up in my exam but after watching this and practising some more im so confident i can ace those questions, YOUR A LEGEND THANK YOU!!

@mattie_sizer7187 2 года назад

this is so helpful, gcses start in a few weeks and i really need to get a 6 in maths, i will watch ur vids frequently from now till gcses. good luck everyone in exams!

@mxmuxd 2 месяца назад

what grade did u get for maths

@SaqPK 18 дней назад

What u get?

@SaqPK 18 дней назад

I was grade 3 in my yr10 mocks and stuck in foundation, after finding out about this channel in the summer before yr11 i grinded these topics and this channel. I moved to higher in october yr11 and i managed to get a 6 in yr11 mock. Worked harder as i knew i can achieve more and i ended up getting a 8 in the actual gcse and im in process of math and business a levels

@JettixX Год назад

For the question at 6:10 , I think you can also take 10y from both sides after the first stage to be left with 5x = 2px - 3p - 10y which goes on to give an answer of x = 2px-3p-10y all over 5. Inserting the same numbers into y, p and x for both of our answers, the outcome is the same

@Swon549 3 года назад

BEST YT CHANNEL EVER, HOW DO YOU TEACH THIS SO WELL?

@atoz9254 2 года назад

Thank you so much for teaching/explaining maths. You are a great teacher. Please don't quit this because you are helping lakhs of students :)

@TheGCSEMathsTutor 2 года назад

Thank you so much for your kind words! It’s really appreciated 😁

@_shxyxn_ Год назад

The way I never understood maths and now because of your videos I’ve started to understand everything is really insane and out of my mind thanks a lot u help me alottttt

@jessicachloe5071 Год назад

my igcse is in 3 days and i've been watching your videos, they are so helpful. thank you so much please know you make such a great impact!!!

@maxgilliver577 3 года назад

Thank u before this I couldn’t even make x the subject in really simple equations now I’m feeling more confident on this topic thanks a lot :)

@erenyeager6668 Год назад

Guys. if its slightly different to the maths tutor then you're good; you still got it right

@laughterfamily9943 Год назад

For the question 4x-y=z(x+5) can the answer be -y-5z/z-4 =x Also, your videos are truly helpful . Thank you so much!

@_angeell Год назад

thats what i was wondering

@verywholesome Год назад

Thank you bro I thought I got it wrong

@TertiaryQuota 9 месяцев назад

I got this aswell and i wanna know if its right

@sivikasi 2 года назад

Great video as always - quick question to anyone who can answer - obviously it's relevant whether you end up with say, 5 - 2p as opposed to 2p - 5. Is there a rule for getting them in the right order? eg: should the number always go last? Thanks and good luck to everyone doing their exams this year - I'm feeling your pain

@franciscaferreira6741 2 года назад

exactly what i was wondering, i dont really know what to do when it comes what side I should choose

@fatimaalramahi9944 2 года назад

Yeah same cos for the first one I got the same but with different signs and order cos I moved the like terms to a different side.

@leilaparker537 2 года назад

i believe that both options would be right

@imforeveru Год назад

Imagine the - is attatched to the 2p. So 5-2p can be written as -2p + 5. It can’t be written as 2p-5

@lightningd-pad 6 месяцев назад

had an hour long session on how to do this last week at school and understood none of it, Came to these videos and suddenly the whole topic made sense! genuinely a lifesaver man, thanks!

@ReActivee Год назад

when it comes to rearranging the equation, you said you can get 2 answers. Will the 2 answers both be correct of just the one you show?

@jeoq 11 месяцев назад

please stop using 'z' it looks too much like a 2

@Maxtreon. 2 месяца назад

Well it's good he uses it here cos later on in the exam you won't be confused

@jeoq 2 месяца назад

@@Maxtreon. nah not really cause he’s hand writing them, it’s different compared to printed ink

@JassyKaur-gc1he 2 месяца назад

Em please don’t interfere with this video it’s none of your business what he does so get a sike

@jeoq 2 месяца назад

@@JassyKaur-gc1he ironic

@Bxm009 2 месяца назад

god knows how many times i wrote “2” and got the whole thing wrong omg

@saeko_5106 Год назад

you are a life saver to all of us

@meerkatking5521 4 года назад

Could you make a video on forming and solving equations. (Higher)

@TheGCSEMathsTutor 4 года назад

Meerkat King Absolutely! I’ve bumped this to the top of my GCSE to-do list for you! I’m just focusing on some a-level videos right now but it will be my next GCSE video for sure 😁🙏🏼

@meerkatking5521 4 года назад

Thanks so much keep up the amazing work

@TheGCSEMathsTutor 4 года назад

No problem! I’ll do my best! 😁🙏🏼

@nasimahmed1372 4 месяца назад

Thank you. I started watching your vids from November(I was at a 4 then) and now I’m currently working at a 7. I have gcse in 3 weeks hopefully I can get to 8-9.Your videos really do help 😊

@Sportcat01 2 года назад

I have this question for my homework . I have done this but can you just please double check to see if I have done it correct so I know how to do the rest? Here is the question 2x+2y=P Make x the subject Firstly, 2y is on its own so you can move it to the other side so now the equation is 2x=P-2y To get x just divide by 2 So the final answer is x= P-2y over 2( p-2y numerator and 2 denominator) Have I done it correctly??

@TheGCSEMathsTutor 2 года назад

Sounds perfect to me! 😁🙏🏼

@Jayzsucksatlife 7 месяцев назад

thank you! I didn't understand this topic even after 2 100 minute lessons, but this has helped me so much and I actually got the practice questions on the video correct after struggling so much!

@bake-to5pw 7 месяцев назад

This channel is actually amazing.It gets me good grades and its the best way go learn so thank you!

@tdfwhcdwihbwdcjib 2 месяца назад

this was so helpful omg thank you

@TheGCSEMathsTutor 2 месяца назад

Glad to hear it! 🙌🏼

@Buttar24. 2 года назад

Year 9 really helped me thanks 🙏

@TheGCSEMathsTutor 2 года назад

So glad to hear it 😁🙏🏼

@mrgoatliri6224 3 года назад

4:44 the answer is as shown but if I were to move the x value to the opposite of what you have done I will get an answer of -y-5z/(z-4) which is inversely to your answer, would it be correct in the exam????

@preciouslove8962 2 года назад

I was thinking the same thing rather it would be right or not

@antonroy415 2 года назад

I would say keep the x where it is so then there's no variations. Hope this helps.

@user-ro3yb6hq2v 8 месяцев назад

thank you ive always found these confusing, but this has helped so much, thank you so much

@whoami27968 Год назад

how do uk when to move the x on right or left side

@TheGCSEMathsTutor Год назад

You can go either way! Just got to pick one 😁🙏🏼

@emmyy6072 3 года назад

for the first question at 7:13 i got -y-5z over p-4 = x is this still correct?

@alfieweller3295 2 года назад

i got the same however the p-4 was a plus instead

@alfieweller3295 2 года назад

never mind i realised what i done wrong xd

@Ecclessia 2 года назад

I got the exact same

@Skeptoff123 Год назад

Thanks ive got a math exam soon and this was a real help thanks.

@amadif1793 3 года назад

For the question at 7:31 would -2p-12y/3-5p also be a correct answer

@Ryan-rz2qd 3 года назад

i got the same and im confused too. I think that works

@elestrello6564 2 года назад

same

@x_k1lls_xyt159 2 года назад

How do you know which way to move the x , like why does the x go to left sometimes then to the right sometimes?

@korvexus9922 2 года назад

Idk

@abdulwadood6531 2 года назад

Thanks I literally understood the whole thing in only under 1 minute thanks to you

@beomgyusberry5773 3 года назад

at 5:58 could you also get 3p-10y if youd have moved them to the other side instead??

@jakewatson668 3 года назад

This was really helpful. But what about when there is a fraction on both sides? That messes my brain

@TheGCSEMathsTutor 3 года назад

A great question! You just have to multiply both denominators to the other side side of the equals sign 😁🙏🏼

@qasimraza1732 3 года назад

Dear matbs tutor, great vid but could u please not use z's because they look like 2's

@qasimraza1732 3 года назад

@Callese who tf are u

@qasimraza1732 3 года назад

@Callese no one was speaking to u 🤐

@actroskharis1095 Год назад

good work

@sukiestar8401 2 года назад

This makes so much more sense, thank you again!

@TheGCSEMathsTutor 2 года назад

No problem at all! Which topic is next? 😁

@sukiestar8401 2 года назад

@@TheGCSEMathsTutor Well I've just got a list of topics to revise for my upcoming exams, I'll be watching your vids for help 🙂 they help so much, I appreciate you making these videos as they really help!!

@TheGCSEMathsTutor 2 года назад

@@sukiestar8401 Amazing news! If you can’t find any in the playlists let me know, sometimes revision lists have topics named slightly differently! Are there any that stand out that you’re not sure of? 😁

@sukiestar8401 2 года назад

@@TheGCSEMathsTutor Do you have a video for factorising quadratics in the form ax2+bx+c or solving equations in the form ax2+bx+c=0?

@olliecole7163 2 года назад

For 4:35, is it still correct if you put all the x's on the other side and got (-y-5z)/(z-4) = x?

@danthemilker6037 2 года назад

think so i tested it and both formulas get the same number for x if you use 2 numbers for z and y

@zeemish 3 месяца назад

Lol I kept getting confused between my z's and 2's when doing the questions

@NA-pj1to 9 месяцев назад

Hello, at 8:37 i got a different answer because i took away zx instead of the x at 9:21, so the solution i got was x = (5z-3)/(1-z) would this be correct as well?

@galaxychildrenacademythega4977 5 месяцев назад

This is an excellent lesson

@artzie1070 2 года назад

does it matter which side you choose to rearrange the x in? because i get different answers but the same layout. or is that normal?

@leilaparker537 2 года назад

i think both options would be right

@artzie1070 2 года назад

@@leilaparker537 yeah i realised lol

@willowbloomfield4402 Год назад

Very helpful :)

@Roseklouds 2 года назад

for the first practise one i got -y-5z/p-4 = x, is that still right?

@mine9120 2 года назад

thank you!!

@The_bad_guitarist Год назад

Your a lifesaver fr fr

@TheGCSEMathsTutor Год назад

So glad to hear I could help 😁🙏🏼

@vickycutajar 2 года назад

Can you help explains this X=square root (absquare +c Devide de Making c the subject

@rainb1750 Год назад

Use Microsoft math solver

@preciouslove8962 2 года назад

At 10:09 can the answer be 5z-3/ 1-Z would that still be right or does it have to be in that order

@sumii7480 2 года назад

For the third example, can you have an answer of x=-3p-10y/5-2p. Would the answer be correct?

@eaimy.x 2 года назад

i got that too, i feel like that would be equivalent to the answer he gave

@daniellechad5748 4 года назад

hi there, at 10:09 I chose to move the brackets a different way because you said it didn't matter in this case and I got : 5z-3/z-1 is that still correct ?

@TheGCSEMathsTutor 4 года назад

Danielle Chad Sounds fine to me!! 😁🙏🏼

@preciouslove8962 2 года назад

@@TheGCSEMathsTutor would mine still be right too since I got 5z-3/ 1-Z

@Ryan-rz2qd 3 года назад

I did it the other way for most questions and got the same answer with different signs. I am rlly confused.

@casi3258 3 года назад

Yeah same but i set all the variables to a random number and substitued it to my answer and his and we got the same answer in the end so i think its allowed

@ibrahimabdullah6147 2 года назад

at 10:05 could you not also say 5z-3/1-z ?

@bradley9856 3 года назад

why not factorise at the begining?

@meerkatking5521 4 года назад

for the question on 6:33 would the answer 3p+10y over 2p-5 still be right

@TheGCSEMathsTutor 4 года назад

Meerkat King Absolutely!!!

@Ryan-rz2qd 3 года назад

@@TheGCSEMathsTutor can it also be 3p-10y/5-2p instead of 10p+3p/2p-5? because i did it the other way?

@cryingthrowingup4256 Год назад

hi, for the third question i minused 10y and 2px and my final answer was x = -10y -3p / (5 - 2p). is this wrong because i dont know what numbers im meant to move to what side

@lilly-vq5uj Год назад

thats what i did and i have no idea which way to move the numbers

@studywithmeloo 20 дней назад

i got that too

@carpentersbug 3 года назад

Thank you, I found this very helpful

@okechukwukenechukwu4155 2 года назад

Please when the grouping of the Xs' is done on the other side like maybe the right hand side, a different answer is gotten from when it is done on the right hand side. Are both correct.

@blessedwiltshire8149 2 года назад

I don't understand. Help. Please

@TheGCSEMathsTutor 2 года назад

What exactly don’t you understand? Might be worth revisiting this one over time 😁🙏🏼

@tylertyler8439 3 года назад

7:29 I got X= +5Z-Y/(-P+4)? I moved the 4X to the otherside at the start so I think consequent the symbols oppose to the answer you got is that still correct, can you have more than one answer? Great videos btw you make it a lot easier to engage with the lesson :)

@TheGCSEMathsTutor 3 года назад

Absolutely there are usually two different answers to these type of questions 😁🙏🏼

@Tapatv- Год назад

Very helpful thank you

@umaryusaf7074 Год назад

just revising, but for eg z=x-2/x+3 can you put the answer as x=3z-2/z+1

@lulualhashimi 9 месяцев назад

teacher if I took different number from the ones you took to different side and got same answer with different digit like negative is that okay

@eimmana2510 2 года назад

Hi sir I love your videos they are so helpful as I have my gcses approaching, for the question at 12:10 I took away the 2 first , This made my final answer x=-2-3z/(z-1) Is this still correct?

@lola100yearsago8 2 года назад

Yes it is.

@everythingtv4875 Год назад

@@lola100yearsago8 ok good i did the same thing

@hayaqazi1160 3 месяца назад

How come i keep getting the right answers but the powers are all opposite- like instead of 2x - 3 i get 3 - 2x?

@Dz-nn9gt Год назад

What were the other possible answers for the last 2 questions?

@uzi.goyard6118 2 года назад

I dont understand when we're supposed to bracket an answer and when not to.

@oscillatefn8303 2 года назад

Niceeee bro 💯🔥💪👏🙏🏅🥇🏆🌟🙏👏💰💰💰😁🙏👏

@TheGCSEMathsTutor 2 года назад

Thanks!!!! Hope it helped?

@oscillatefn8303 2 года назад

The GCSE Maths Tutor Yeah your a legend 👑

@amandab118 9 месяцев назад

for the first question, could you not just divide by z????????

@youssefhili3410 3 года назад

Thank you so much ❤️❤️

@Bannapickleonion Год назад

can i leave the things in brackets or do I have to simplify them

@atv8365 2 года назад

What grade range am I looking at with these type questions? A 6?

@gemmakhan8419 4 года назад

i totally do not understand.Is ot necassary to learn this for higher or can i just leave this topic out

@TheGCSEMathsTutor 4 года назад

Gemma Khan Yes! Rearranging formula is an essential component of algebra 😁

@gemmakhan8419 4 года назад

@@TheGCSEMathsTutor do u reckon i can get a 6 without learning this. Like i understand the basics of changing the subject but simply cannot get my head round these harder formulae. Is there possibly any hope of getting a 6

@TheGCSEMathsTutor 4 года назад

Gemma Khan Ofcourse you can!!! This is right at the top end of rearranging formula, which part throws you? If you can identify the step that throws you then maybe I can help? You just need to get any piece containing the letter you are trying to make the subject on one side and everything else on the other side, from there you factorise the subject out and divide by the bracket (tried to write that out as simply as possible!) - if you watch a few you will see a lot of similarity in these questions! 😁

@gemmakhan8419 4 года назад

@@TheGCSEMathsTutor basically uno at 3:35 i dont understand wth you done to the y. Arent you supposed to minus zx from both sides. So confusing.

@haiamustafa3978 Год назад

Does higher math means AL math or OL math?

@cristineshepherd6947 2 года назад

thank you

@carlosdano849 9 месяцев назад

The only thing I don’t get is which side to get the x on???? Or does it not matter

@yejihour1281 4 месяца назад

Apparently it doesn't

@PSYCH0XEDITZ Год назад

But other than that thanks for the teaching and questions

@UJLMAO 2 года назад

For 13:04 if you removed the stuff from the other side wouldn’t you get -3z-2/z-1 =x which is different to yours?

@ieatalot4189 Год назад

12:23 why is it 3Z

@sahararabzaie4484 3 года назад

i dont get it can you please help me?

@nightcorenightwish7506 3 года назад

I'm confused on like when you start idk what to start

@seducedol7269 2 года назад

8:28 Hey would my answer be wrong for the 2nd question if I got x= 2p-12y/3-5p

@Alicyclic-pb2hm 7 месяцев назад

that's what I got too, it is right?

@leylaahmed7801 2 года назад

It was good video but I just don’t get this lesson even in skl I struggle on this ugh

@Manunited-cu4zo Год назад

What exam board is this for???? Please say edexcel

@TheGCSEMathsTutor Год назад

It’s the same on all exam boards 😀 so yes.. Edexcel!! 👌🏼

@Manunited-cu4zo Год назад

Thanks now I can use ur vids to help me

@seducedol7269 2 года назад

13:19 would x= -2-3z/z+1 be correct doing it the other way for question 1?

@Ecclessia 2 года назад

I got the same

@Ecclessia 2 года назад

I think its still correct tho you just decided to move x to a different side

@getridluvmawy Год назад

rate the intro brev

@lobbyfiller3337 2 года назад

Could the answer for the first question also be x = 3z-y/(3-2)?

@ooo_ikk1911 2 года назад

I got x= -y-3z / 3-z .

@PSYCH0XEDITZ Год назад

Honestly I Get a little bit confused with the arranging the formulae

@premamuthukumar5352 Год назад

8:51

@cheesetoastyy6902 2 года назад

at 8:20 whats the harder question lol?

@TheGCSEMathsTutor 2 года назад

Could you elaborate? 😁🙏🏼

@cheesetoastyy6902 2 года назад

@@TheGCSEMathsTutor doesn’t matter lol could you answer my other question

@Abisoak Год назад

I keep getting the signs wrong

@yusaf2324 2 года назад

11:00

@elitshnd2010 Год назад

Can I detect a slight yam yam accent?

@TheGCSEMathsTutor Год назад

I’m from the midlands but more central Birmingham! I get a bit of all the accents 😁🙏🏼

@elitshnd2010 Год назад

@@TheGCSEMathsTutor that's great! Congratulations and thank you for all your hard work you have put into your youtube channel and your website.

@khattakjarir3399 3 года назад

How much would these be worth

@TheGCSEMathsTutor 3 года назад

3/4 marks 😁🙏🏼

@mangoose642 Год назад

noice

@coralmaguire7853 2 года назад

I love u

@mrgoatliri6224 3 года назад

Found it bro

@TheGCSEMathsTutor 2 года назад

Perfect 👏🏼👏🏼

@ellisfletcher3491 4 года назад

your intro is very loud but your voice is quiet

@TheGCSEMathsTutor 4 года назад

That’s odd there is no volume change on any of my devices, I have since changed the intro though 😁🙏🏼

@lailataluminousnight8064 3 года назад

Are we the prey? No we're the hunters!

@ellisfletcher3491 3 года назад

@@TheGCSEMathsTutor it's more noticeable on actual stereo speakers. Also thanks for replying I'm doing a level maths n physics now lol

@ashbelgill7439 3 месяца назад

delete this my grandma died while watching video

@hayaqazi1160 3 месяца назад

What does your grandma have to do with rearranging formulae