Question: What is the solution?

Solve 42120 = -14*d - 9*d + 41568 for d.

Answer: -24

Question: What is the solution?

Solve 3043 - 1739 + 7939 = 476*z - 3133 for z.

Answer: 26

Question: What is the solution?

Solve 474*s + 600*s + 531*s - 1796*s = 191 for s.

Answer: -1

Question: What is the solution?

Solve 6 - 2 = -h for h.

Answer:
-4