Write down the solution for this math problem: Solve 15*w - 93 = 42 for w.
answer: 9

Write down the solution for this math problem: Solve -39*k - 48*k = 39*k + 2268 for k.
answer: -18

Write down the solution for this math problem: Solve 0 = -6*v - 23*v - 12*v - 6*v for v.
answer: 0

Write down the solution for this math problem: Solve 99 = -201*y - 603*y + 248*y - 1569 for y.
answer:
-3