Q: What is the solution?
Solve -497*z + 220*z + 247*z - 79 - 131 = 0 for z.

A: -7

Q: What is the solution?
Solve 14368 = 940*s + 3088 for s.

A: 12

Q: What is the solution?
Solve 29*j = 93*j + 576 for j.

A:
-9