Write down the solution for this math problem: Solve 10*v + 51 = -7*v for v.
answer: -3

Write down the solution for this math problem: Solve 755*w = -435*w - 281*w + 9847 - 40738 for w.
answer: -21

Write down the solution for this math problem: Solve -6174 + 36701 + 34406 = 1229*k + 10857 for k.
answer: 44

Write down the solution for this math problem: Solve -27*a + 115 = 7 for a.
answer:
4