Question: What is the solution?

Solve -28*f - 136*f + 33*f - 524 = 0 for f.

Answer: -4

Question: What is the solution?

Solve 25*w + 107 = -93 for w.

Answer: -8

Question: What is the solution?

Solve 419430 = -51*h + 419175 for h.

Answer: -5

Question: What is the solution?

Solve -11743 = 250*s - 3993 for s.

Answer:
-31