Write down the solution for this math problem: Solve 53414*o - 53387*o = 513 for o.
answer: 19

Write down the solution for this math problem: Solve 12*h + 6106 - 6034 = 0 for h.
answer: -6

Write down the solution for this math problem: Solve 866*n + 966*n = 58*n + 245*n + 48928 for n.
answer: 32

Write down the solution for this math problem: Solve 0 = 15*r + 59 + 46 for r.
answer:
-7