Question: What is the solution?

Solve 0 = -82*z - 302 + 596 - 458 for z.

Answer: -2

Question: What is the solution?

Solve 46 = 13*p + 20 for p.

Answer: 2

Question: What is the solution?

Solve -79 = -155*q - 234 for q.

Answer: -1

Question: What is the solution?

Solve 0 = 6*w - 12 + 6 for w.

Answer:
1