Write down the solution for this math problem: Solve 0 = 532*w - 1305 - 291 for w.
answer: 3

Write down the solution for this math problem: Solve 43*s = 3900 - 3212 for s.
answer: 16

Write down the solution for this math problem: Solve -20*d - 182 = 6*d for d.
answer: -7

Write down the solution for this math problem: Solve 0 = 13*o - 10*o + 3 for o.
answer:
-1