Solve 391*l + 1138 = 37*l - 278 for l.
Solve this plz.

A: -4

Solve -27 = 87*z - 288 for z.
Solve this plz.

A: 3

Solve 0 = 1070*f - 84625 + 28985 for f.
Solve this plz.

A:
52