Matchstick Puzzle - Fix The Equation  

There are 25 Matchstick Puzzles (fix the equation) presented in this video, Give it a try before checking the solution. Comment if you found an alternate solution.

#12 Just change the 3 on the right to a 2 and you get 2+0=2

#11 => 9 - 7 = 2

#15: 6 / 6 = 1

4+3=7

#7: 9 + 1 - 7 = 3