Q: What is the solution?
Solve 401 = 4*i + 373 for i.

A: 7

Q: What is the solution?
Solve 15*u + 57*u - 51 = 21*u for u.

A: 1

Q: What is the solution?
Solve -24*l - 13*l - 74 = 0 for l.

A:
-2