Write down the solution for this math problem: Solve -29*q + 9*q + 250 = 5*q for q.
answer: 10

Write down the solution for this math problem: Solve -1067*o + 767*o = 9000 for o.
answer: -30

Write down the solution for this math problem: Solve -15*n - 75 = -15 for n.
answer: -4

Write down the solution for this math problem: Solve 3015*c + 228 = 3034*c for c.
answer:
12