Write down the solution for this math problem: Solve -60*f + 1509 = 1569 for f.
answer: -1

Write down the solution for this math problem: Solve 0 = 68*h + 25 + 315 for h.
answer: -5

Write down the solution for this math problem: Solve -15*u = -9*u + 12 for u.
answer: -2

Write down the solution for this math problem: Solve 0 = 1257*y + 4087 - 11629 for y.
answer:
6