Q: What is the solution?
Solve -5*l + 5 = -15 for l.

A: 4

Q: What is the solution?
Solve -298*q - 138501 = 886*q + 215*q for q.

A: -99

Q: What is the solution?
Solve -9*x + 5*x - 16 = 0 for x.

A:
-4