Solve 0 = 53*n + 53*n - 104*n + 12 for n.
Solve this plz.

A: -6

Solve 112*c - 78 + 414 = 0 for c.
Solve this plz.

A: -3

Solve -6681*l - 518692 = 35831 for l.
Solve this plz.

A:
-83