Q: What is the solution?
Solve 109*s = 148420 - 151908 for s.

A: -32

Q: What is the solution?
Solve 4*f + 55 - 27 = 0 for f.

A: -7

Q: What is the solution?
Solve 0 = -103510*z + 104293*z + 35235 for z.

A:
-45