Question: What is the solution?

Solve -82*o = -85*o - 3 for o.

Answer: -1

Question: What is the solution?

Solve -10*z - 22 = -75 - 17 for z.

Answer: 7

Question: What is the solution?

Solve 3298 = 3158*q + 3202*q - 6457*q for q.

Answer: -34

Question: What is the solution?

Solve -38 = 4*c - 18 for c.

Answer:
-5