NEED HELP ASAP
Solve the following problems using the numbers 0 – 9 once each.

⛀ - 11 = - ⛀
⛀ - - ⛀ = 13
⛀ + - ⛀ = - ⛀
7 - ⛀ = ⛀ + ⛀

You CANNOT repeat any numbers
NO LINKS OR TROLLS