Q: Solve:
Solve 10 = 16*w - 21*w for w.

A: -2

Q: Solve:
Solve 0 = 892431*m - 892426*m - 385 for m.

A: 77

Q: Solve:
Solve -3834 = 6155*c - 5942*c for c.

A:
-18