Write down the solution for this math problem: Solve 55*s - 8631 = -8796 for s.
answer: -3

Write down the solution for this math problem: Solve -302*z = 35*z + 415*z + 14288 for z.
answer: -19

Write down the solution for this math problem: Solve 9*z + 2*z + 168 = -3*z for z.
answer: -12

Write down the solution for this math problem: Solve 77*y = 3*y - 8*y - 18*y + 600 for y.
answer:
6