Solve -70*m = -60*m + 191*m - 4422 for m.
Solve this plz.

A: 22

Solve 3895*w = -29327 + 134492 for w.
Solve this plz.

A: 27

Solve 579*f = 191*f - 388 for f.
Solve this plz.

A:
-1