Q: Solve:
Solve -510*x - 497*x + 999 = -1044*x for x.

A: -27

Q: Solve:
Solve 0 = -2*n + 22*n - 220 for n.

A: 11

Q: Solve:
Solve -117*q + 540 = 63*q for q.

A:
3