Solve -69 = 108*q - 131*q for q.
Solve this plz.

A: 3

Solve -8733*q + 480 = 8758*q - 17461*q for q.
Solve this plz.

A: 16

Solve -10*f = 57 - 17 for f.
Solve this plz.

A:
-4