Write down the solution for this math problem: Solve 0 = -105*k + 30*k - 675 for k.
answer: -9

Write down the solution for this math problem: Solve 10432*s = 12082*s + 79200 for s.
answer: -48

Write down the solution for this math problem: Solve 7*r - 12 - 76 = 10 for r.
answer: 14

Write down the solution for this math problem: Solve -2131794*m - 776 = -1065833*m - 1065864*m for m.
answer:
-8