Solve 8*f = -1 + 9 for f.
Solve this plz.

A: 1

Solve 2252*m - 4030 - 5190 = -2198*m - 320 for m.
Solve this plz.

A: 2

Solve -35207 - 607321 = 2431*a + 4262*a for a.
Solve this plz.

A:
-96