Problem: Math Problem
Solve 20712 = -356*l - 806*l - 4016*l for l.

A: -4

Problem: Math Problem
Solve 513*c - 709*c - 890 = 286 for c.

A: -6

Problem: Math Problem
Solve 206*c - 4679 + 16215 = 0 for c.

A:
-56