Write down the solution for this math problem: Solve -55*v = 1173 - 1008 for v.
answer: -3

Write down the solution for this math problem: Solve 789 - 989 = -127*s + 1578 for s.
answer: 14

Write down the solution for this math problem: Solve 103*z + 2*z + 3375 = -120*z for z.
answer: -15

Write down the solution for this math problem: Solve -29708 = 869*u + 19297 - 7293 for u.
answer:
-48