Q: What is the solution?
Solve 0 = -74*q + 26*q - 144 for q.

A: -3

Q: What is the solution?
Solve -9*w + 7*w + 8 = 0 for w.

A: 4

Q: What is the solution?
Solve 72 = -123*c + 105*c for c.

A:
-4