Q: Solve:
Solve -27*w + 9 = -70*w - 120 for w.

A: -3

Q: Solve:
Solve 2696*q - 980 - 5458 = 2579*q + 5028 for q.

A: 98

Q: Solve:
Solve 57*s + 2437 + 6517 = -71*s - 518 for s.

A:
-74