Solve 231*w - 2248 = 1448 for w.
Solve this plz.

A: 16

Solve 181 = -3*w - 89*w - 463 for w.
Solve this plz.

A: -7

Solve 33818*f - 33903*f + 3060 = 0 for f.
Solve this plz.

A:
36