Q: Solve:
Solve 0 = -9966*x + 10890*x - 43428 for x.

A: 47

Q: Solve:
Solve -4843 + 22348 = -378*w - 9333 for w.

A: -71

Q: Solve:
Solve 0 = -0*c + 10*c + 1650 - 1690 for c.

A:
4