Q: What is the solution?
Solve -180*q = -162*q for q.

A: 0

Q: What is the solution?
Solve -24*n - 396 = -21*n - 102*n for n.

A: 4

Q: What is the solution?
Solve 45*y - 88*y + 258 = 0 for y.

A:
6