Reverse Modulus Operator

Question

Over 3 years after asking the question I found the solution. I have included it as an answer.

I have an expression with modulus in it that needs to

Answer 1

The tricky part about this equation is that even if you know a, m, and b, you can not conclusively figure out x.

For example, say your equation was:

(2 + x) % 4 = 3

x could be 1, 5, 9, 13 etc.

This means you are out of luck, there is no way to get x by itself.