Q: What is the solution?
Solve 0 = -f - 17 + 15 for f.

A: -2

Q: What is the solution?
Solve 901*m + 22229 + 47845 = 1616*m + 1346*m for m.

A: 34

Q: What is the solution?
Solve -13 + 13 = 10*w for w.

A:
0