Q: What is the solution?
Solve 0 = -171*n + 203*n + 160 for n.

A: -5

Q: What is the solution?
Solve -9*o = 10 + 8 for o.

A: -2

Q: What is the solution?
Solve -721*g = -700*g + 147 for g.

A:
-7