Solve 76*l - 85*l = 18 for l.
Solve this plz.

A: -2

Solve 47*z + 31*z = -52*z + 260 for z.
Solve this plz.

A: 2

Solve 0 = 137*n - 1912 - 3882 + 40 for n.
Solve this plz.

A:
42