Q: Solve:
Solve -73*f + 159*f + 61*f + 6950 = 425*f for f.

A: 25

Q: Solve:
Solve 4*o - 11*o + o = 0 for o.

A: 0

Q: Solve:
Solve 48 = -276*z + 260*z for z.

A:
-3