Q: Solve:
Solve 0 = 9*v - 4*v + 20 for v.

A: -4

Q: Solve:
Solve -724*b - 627*b + 124404 = 1943*b - 148998 for b.

A: 83

Q: Solve:
Solve -82725*o = -82751*o + 260 for o.

A:
10