Write down the solution for this math problem: Solve -20*s + 45 = -5*s for s.
answer: 3

Write down the solution for this math problem: Solve -128*m - 2790 = 172*m + 11*m + 1875 for m.
answer: -15

Write down the solution for this math problem: Solve 78522*q - 78949*q = -427 for q.
answer: 1

Write down the solution for this math problem: Solve 127*m + 20 = 131*m for m.
answer:
5