Q: Solve:
Solve -825 = -4211*l + 2788 + 598 for l.

A: 1

Q: Solve:
Solve 92*n - 87*n + 15 = 0 for n.

A: -3

Q: Solve:
Solve -15621 + 15670 = 7*s for s.

A:
7