Write down the solution for this math problem: Solve -4531*f - 12969 - 18748 = 0 for f.
answer: -7

Write down the solution for this math problem: Solve -31 + 253 = -37*s for s.
answer: -6

Write down the solution for this math problem: Solve x - 5*x - x = 0 for x.
answer: 0

Write down the solution for this math problem: Solve -1744*y + 561 = -1761*y for y.
answer:
-33