Question: What is the solution?

Solve 0 = 39*z + 331 - 175 for z.

Answer: -4

Question: What is the solution?

Solve -155*q = 13 + 607 for q.

Answer: -4

Question: What is the solution?

Solve 4*z = 3*z - 5 for z.

Answer: -5

Question: What is the solution?

Solve -683*o + 79858 + 6200 = 0 for o.

Answer:
126