Write down the solution for this math problem: Solve 57509*u = 57607*u + 980 for u.
answer: -10

Write down the solution for this math problem: Solve 75*m = 49*m + 312 for m.
answer: 12

Write down the solution for this math problem: Solve 629*p - 11316 = 735 + 3045 for p.
answer: 24

Write down the solution for this math problem: Solve -490*z + 6990 + 1599 = -10486 - 3955 for z.
answer:
47