Question: What is the solution?

Solve -1582*h + 643*h = 2090*h + 1348*h + 275751 for h.

Answer: -63

Question: What is the solution?

Solve -18 = 30*y - 36*y for y.

Answer: 3

Question: What is the solution?

Solve 0 = 335*s - 333*s for s.

Answer: 0

Question: What is the solution?

Solve 2*q + 18*q + 122 = -138 for q.

Answer:
-13