Q: Solve:
Solve -3589 = 858581*c - 859181*c + 4811 for c.

A: 14

Q: Solve:
Solve 13*o - 2069 = -1991 for o.

A: 6

Q: Solve:
Solve -4*x = -0*x + 8 for x.

A:
-2