Solve 0 = -91*m + 267*m + 880 for m.
Solve this plz.

A: -5

Solve -112*m - 121*m + 6815 = 2*m for m.
Solve this plz.

A: 29

Solve -411*f + 2606 - 1546 = -3050 for f.
Solve this plz.

A:
10