Write down the solution for this math problem: Solve 0 = 10*n + 456 - 456 for n.
answer: 0

Write down the solution for this math problem: Solve 2038*z - 2458*z - 115115 = -6924*z - 2351*z for z.
answer: 13

Write down the solution for this math problem: Solve 228 = 8*f + 292 for f.
answer: -8

Write down the solution for this math problem: Solve -91*w + 954 = -957 for w.
answer:
21