Q: What is the solution?
Solve 0 = 1544*z + 184145 - 119297 for z.

A: -42

Q: What is the solution?
Solve 25425*x = 25419*x + 42 for x.

A: 7

Q: What is the solution?
Solve 0 = 9*f - 10*f + 5 for f.

A:
5