Q: What is the solution?
Solve -198*n - 1560 = 664*n - 21386 for n.

A: 23

Q: What is the solution?
Solve 8715 = -748*t + 499*t for t.

A: -35

Q: What is the solution?
Solve 91 - 121 = -6*l for l.

A:
5