Write down the solution for this math problem: Solve -24*z = -z - 138 for z.
answer: 6

Write down the solution for this math problem: Solve 127478 = 3019*o - 207631 for o.
answer: 111

Write down the solution for this math problem: Solve 1077*y - 523*y + 377 - 77 = 534*y for y.
answer: -15

Write down the solution for this math problem: Solve -13*s + 292 - 266 = 0 for s.
answer:
2