Q: What is the solution?
Solve -48*s - 89 + 233 = 0 for s.

A: 3

Q: What is the solution?
Solve 0 = 8*c - 12 - 20 for c.

A: 4

Q: What is the solution?
Solve 156*n - 159*n = 0 for n.

A:
0