Q: Solve:
Solve 3*q = -9*q - 12 for q.

A: -1

Q: Solve:
Solve -9569*l + 85500 = 1162*l - 1231*l for l.

A: 9

Q: Solve:
Solve 186*s - 254*s + 408 = 0 for s.

A:
6