Q: What is the solution?
Solve -59*n = -81*n - 198 for n.

A: -9

Q: What is the solution?
Solve -2484*y + 5025*y + 630 = 2499*y for y.

A: -15

Q: What is the solution?
Solve -308*y = -604 - 1063 + 127 for y.

A:
5