Improve IQ - Fix The Equation  

There are 15 Matchstick Puzzles (fix the equation) presented in this video, Give it a try before checking the solution. Comment if you found an alternate solution.

#8 => 1 + 0 = 1

#3　can be 9 - 6 = 3

#14 => 7 = 1 + 6

#13 => 8 - 8 = 0

4+1=5

#15 => 0 + 6 = 6

Când s-a inventat ,,-0" 🤔?

#3 => 3 + 0 = 3