Solve 27*f + 111 = -105 for f.
Solve this plz.

A: -8

Solve 23*g + 21*g = -743 + 171 for g.
Solve this plz.

A: -13

Solve -25*g + 1391 - 62 - 622 = -1393 for g.
Solve this plz.

A:
84