Turn the wrong equation into correct | Matchstick puzzle 2-0=1

I was completely stumped by this last puzzle, 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 8-3=9
2) Matchstick puzzle 9-2=4
3) Matchstick puzzle 3+8=4
4) Matchstick puzzle 3+4=5
5) Matchstick puzzle 2-0=1