Turn the wrong equation into correct | Matchstick puzzle 1-6=17

This last puzzle completely stumped me, but maybe you’ve already figured it out. Please share your knowledge in the comments below!

You will see answers to these puzzles:-

1) Matchstick puzzle 8+2=0
2) Matchstick puzzle 9+2=4
3) Matchstick puzzle 7+9=9
4) Matchstick puzzle 9+2=4
5) Matchstick puzzle 9+5=9
6) Matchstick puzzle 0+7=9
7) Matchstick puzzle 1-6=17

Click Here To See Move Only 1 Stick To Make Equation Correct | Matchstick Puzzle 47 + 4 = 7