Q: Solve:
Solve -3970 + 3990 = -5*t for t.

A: -4

Q: Solve:
Solve 355*t = -1097*t + 28194 + 108294 for t.

A: 94

Q: Solve:
Solve -20*c + 7*c = -53*c - 36*c - 2812 for c.

A:
-37