Question: What is the solution?

Solve -57*s + 249 = 26*s for s.

Answer: 3

Question: What is the solution?

Solve 2688*s = -2510*s + 233*s + 168810 for s.

Answer: 34

Question: What is the solution?

Solve -114*z = -3043*z - 2051*z + 507960 for z.

Answer: 102

Question: What is the solution?

Solve -31*q = 5*q + 216 for q.

Answer:
-6