Problem: Math Problem
Solve -7*a - 15583 + 15499 = 0 for a.

A: -12

Problem: Math Problem
Solve -120*w + 3177 = -1023 for w.

A: 35

Problem: Math Problem
Solve -2082*s - 107043 = 147*s + 1224*s for s.

A:
-31