Q: What is the solution?
Solve 0 = -575*n + 568*n + 7 for n.

A: 1

Q: What is the solution?
Solve 0 = 5*v + 15 for v.

A: -3

Q: What is the solution?
Solve -52*l - 20*l - 1224 = 0 for l.

A:
-17