Q: What is the solution?
Solve 19*h - 13*h - 12 = 0 for h.

A: 2

Q: What is the solution?
Solve 104*w + 237 = -240*w + 1152 + 1149 for w.

A: 6

Q: What is the solution?
Solve -87902 = 103*f + 3929*f - 261278 for f.

A:
43