Question: What is the solution?

Solve 69*q + 38*q + 22*q + 516 = 0 for q.

Answer: -4

Question: What is the solution?

Solve 963079*o - 170 = 963164*o for o.

Answer: -2

Question: What is the solution?

Solve 95 - 119 = -8*r for r.

Answer: 3

Question: What is the solution?

Solve -183*a + 13136 - 10757 = 0 for a.

Answer:
13