Q: What is the solution?
Solve -29*f + 25*f + 12 = 0 for f.

A: 3

Q: What is the solution?
Solve 2924*f = 3747*f - 37035 for f.

A: 45

Q: What is the solution?
Solve -600 = -49*c + 12*c + 7*c for c.

A:
20