Write down the solution for this math problem: Solve 3*o + 5*o = 40 for o.
answer: 5

Write down the solution for this math problem: Solve -266*c + 682*c = 11232 for c.
answer: 27

Write down the solution for this math problem: Solve 47441*k - 47481*k - 2606 = 314 for k.
answer: -73

Write down the solution for this math problem: Solve 12358*k + 298781 + 142711 = -257022 + 55898 for k.
answer:
-52