Solve -2*y - 107 = -105 for y.
Solve this plz.

A: -1

Solve 110 = -192*m + 207*m - 40 for m.
Solve this plz.

A: 10

Solve -142*f + 1501 - 223 = 0 for f.
Solve this plz.

A:
9