Q: What is the solution?
Solve -5*x + 1011 = 991 for x.

A: 4

Q: What is the solution?
Solve 0 = 92*c - 94*c - 6 for c.

A: -3

Q: What is the solution?
Solve -147*a = 164*a - 10263 for a.

A:
33