Question: What is the solution?

Solve 133*x + 1156 = -2568 for x.

Answer: -28

Question: What is the solution?

Solve -p + 87*p - 2*p + 57*p = -9729 for p.

Answer: -69

Question: What is the solution?

Solve 0 = 3*s + 20*s + 115 for s.

Answer: -5

Question: What is the solution?

Solve 111*m + 16*m - 3489 + 645 = -31*m for m.

Answer:
18