Q: What is the solution?
Solve -3*l - 3 = -6 for l.

A: 1

Q: What is the solution?
Solve 0 = 18*n - 56*n + 29*n + 108 for n.

A: 12

Q: What is the solution?
Solve 766*w - 120*w = -5724 - 3966 for w.

A:
-15