Q: What is the solution?
Solve -1319*s = -1332*s - 156 for s.

A: -12

Q: What is the solution?
Solve 56*g - 14*g = 18*g - 264 for g.

A: -11

Q: What is the solution?
Solve -38 = -12*r - 7*r for r.

A:
2