Q: What is the solution?
Solve 0 = 545*o - 779*o - 22698 for o.

A: -97

Q: What is the solution?
Solve 0 = 15238*r - 15271*r + 594 for r.

A: 18

Q: What is the solution?
Solve -19*b = -24*b + 267 - 357 for b.

A:
-18