Q: What is the solution?
Solve 15 = 87*l + 102 for l.

A: -1

Q: What is the solution?
Solve 24*o + 200 + 51 = 9*o - 439 for o.

A: -46

Q: What is the solution?
Solve 2950*p + 7938 = -2930*p + 8813*p - 3031*p for p.

A:
-81