Write down the solution for this math problem: Solve 0 = 20*o - 34 - 66 for o.
answer: 5

Write down the solution for this math problem: Solve 0 = s - 27 + 31 for s.
answer: -4

Write down the solution for this math problem: Solve -3*s + 365 = 374 for s.
answer: -3

Write down the solution for this math problem: Solve 342*z + 163*z - 5110 = 1455 for z.
answer:
13