Q: What is the solution?
Solve 12*i - 195 = -27*i for i.

A: 5

Q: What is the solution?
Solve 0 = -85*m + 56*m + 42*m + 377 for m.

A: -29

Q: What is the solution?
Solve -172*f + 91*f = -121*f for f.

A:
0