Write down the solution for this math problem: Solve 0 = -8*n + n - 19*n + 624 for n.
answer: 24

Write down the solution for this math problem: Solve -144*o - 2 = -145*o for o.
answer: 2

Write down the solution for this math problem: Solve -546*u + 571*u - 29 = -4 for u.
answer: 1

Write down the solution for this math problem: Solve 10 - 66 = -56*w for w.
answer:
1