Question: What is the solution?

Solve -158*p + 464*p = -201*p + 507 for p.

Answer: 1

Question: What is the solution?

Solve -132*q = -120*q - 12 for q.

Answer: 1

Question: What is the solution?

Solve 0*t - 6 = 3*t for t.

Answer: -2

Question: What is the solution?

Solve 310 + 14 + 316 = -80*r for r.

Answer:
-8