Q: Solve:
Solve -11*b = -10*b + 2 for b.

A: -2

Q: Solve:
Solve 58*r - 133*r = -323*r - 554*r - 28872 for r.

A: -36

Q: Solve:
Solve 166*f - 234*f + 748 = 0 for f.

A:
11