Q: What is the solution?
Solve -18*i - 156 = -57*i for i.

A: 4

Q: What is the solution?
Solve 31*s + 12 = 43 for s.

A: 1

Q: What is the solution?
Solve 0 = -177167*y + 176658*y - 1018 for y.

A:
-2