Q: What is the solution?
Solve -224*f + 6198 = 164*f + 1154 for f.

A: 13

Q: What is the solution?
Solve -117*r - 1259 = -395*r + 2355 for r.

A: 13

Q: What is the solution?
Solve -200*g = -209*g - 36 for g.

A:
-4