Q: What is the solution?
Solve 0*b - 5*b = -4*b for b.

A: 0

Q: What is the solution?
Solve 109 + 114 = -38*l - 309 for l.

A: -14

Q: What is the solution?
Solve 1672*x - 33038 = 6697 - 1279 for x.

A:
23