Write down the solution for this math problem: Solve -225*m = -222*m - 15 for m.
answer: 5

Write down the solution for this math problem: Solve -7 = 13*o - 6*o for o.
answer: -1

Write down the solution for this math problem: Solve -1858*z + 1794*z = 1984 for z.
answer: -31

Write down the solution for this math problem: Solve -4314*k = -4271*k - 688 for k.
answer:
16