Q: What is the solution?
Solve 58*o - 55*o = 9 for o.

A: 3

Q: What is the solution?
Solve 837 = 1185*u - 1158*u for u.

A: 31

Q: What is the solution?
Solve 0 = -94*c + 26*c + 68 for c.

A:
1