Q: What is the solution?
Solve -252 + 232 = 4*c for c.

A: -5

Q: What is the solution?
Solve -206*y = -215*y + 18 for y.

A: 2

Q: What is the solution?
Solve -431*s + 844*s - 438*s = 1750 for s.

A:
-70