Write down the solution for this math problem: Solve -131*z - 870 - 474 = -173*z for z.
answer: 32

Write down the solution for this math problem: Solve -23 = 24*b + 25 for b.
answer: -2

Write down the solution for this math problem: Solve -510*y + 251*y = -238*y + 231 for y.
answer: -11

Write down the solution for this math problem: Solve -12194*y + 1281732 = 6655*y for y.
answer:
68