Turn the wrong equation into correct | Matchstick puzzle 7-7=17 

7-7=17 can become 1-7=1-7 too.

(#2) 1+4=5 (#6) 5+4=9

#2 1-4=-3

on 1 - 4 + 9 move the upper right matchstick on the 9 to make a + sign giving us 1 + 4 = 5

Heloo : Secon solution for 1-4= 9 :::: 1+4=5 - from right side we convert 9 for 5 and use one match, which we have after number change, to convert sign - for sign +

5+4=9

Take one stick of 1 and make minus as plus. Use the other stick of 1 to make 3 as 9.

7 - 7 = 17 may become 77 = 77

4-1=3

1+4

7-7= H is a lame answer, especially when other functions such as greater than and less than and not equal than are not permitted.

-1+6=5

77 = 77

#2: 1+4= 5. Om.

6+7=

1+4=5

5+4=9

5+4=9