Q: Solve 264 + 415 = -15*l - 416 for l.

A: -73

Q: Solve 0 = -5*v + 15*v - 20 for v.

A: 2

Q: Solve 129*i - 330*i + 165*i - 540 = 0 for i.

A: -15

Q: Solve -182225*o = -181319*o - 10872 for o.

A:
12