Question: What is the solution?

Solve -73*h = 88*h - 149*h - 108 for h.

Answer: 9

Question: What is the solution?

Solve 2320 = -6*a + 2356 for a.

Answer: 6

Question: What is the solution?

Solve 38*k + 1181 = -134*k - 711 for k.

Answer: -11

Question: What is the solution?

Solve -20*s - 289*s - 311 = 2*s for s.

Answer:
-1