Q: Solve:
Solve -18745*f + 18924*f = 0 for f.

A: 0

Q: Solve:
Solve 31974*r - 33074*r + 3300 = 0 for r.

A: 3

Q: Solve:
Solve 213*g + 122*g = -62*g - 2*g for g.

A:
0