Write down the solution for this math problem: Solve -601 = -62*f + 32*f + 59*f - 21 for f.
answer: -20

Write down the solution for this math problem: Solve 2*r = 4 - 0 for r.
answer: 2

Write down the solution for this math problem: Solve -59*u = -21*u - 912 for u.
answer: 24

Write down the solution for this math problem: Solve -594*w = -589*w - 15 for w.
answer:
3