Question: What is the solution?

Solve -131*h - 19721 + 14009 = -19*h for h.

Answer: -51

Question: What is the solution?

Solve -517*r + 72*r = 3560 for r.

Answer: -8

Question: What is the solution?

Solve 0*t - 561 - 429 = -33*t for t.

Answer: 30

Question: What is the solution?

Solve 464*g - 462*g + 4 = 0 for g.

Answer:
-2