Solve 2107 = 288*p - 197 for p.
Solve this plz.

A: 8

Solve -31*v = -2*v - 130 + 478 for v.
Solve this plz.

A: -12

Solve 56*f + 47*f + 305 = -416 for f.
Solve this plz.

A:
-7