Write down the solution for this math problem: Solve 0 = 110*f - 115*f for f.
answer: 0

Write down the solution for this math problem: Solve 5*c - 130 + 39 = -2*c for c.
answer: 13

Write down the solution for this math problem: Solve 420 = -2*p - 58*p for p.
answer: -7

Write down the solution for this math problem: Solve 328*w - 4271 + 13455 = 0 for w.
answer:
-28