Question: What is the solution?

Solve -51 = -60*z + 260 + 229 for z.

Answer: 9

Question: What is the solution?

Solve -7 + 0 = 37*x - 81 for x.

Answer: 2

Question: What is the solution?

Solve 985*n = 1143*n - 7268 for n.

Answer: 46

Question: What is the solution?

Solve 0 = -361*s - 13028 + 2559 for s.

Answer:
-29