Q: What is the solution?
Solve 0 = f + 4*f + 25 for f.

A: -5

Q: What is the solution?
Solve -5*h - 6 = -6 for h.

A: 0

Q: What is the solution?
Solve -1806 = 2859610*q - 2859652*q for q.

A:
43