Write down the solution for this math problem: Solve -1251388*k = -1251170*k + 10682 for k.
answer: -49

Write down the solution for this math problem: Solve -5137 = 458*a + 457 + 818 for a.
answer: -14

Write down the solution for this math problem: Solve -27 + 21 = -2*x for x.
answer: 3

Write down the solution for this math problem: Solve 1008 = -49692*o + 49710*o for o.
answer:
56