Solve 2726*c - 2695*c - 434 = 0 for c.
Solve this plz.

A: 14

Solve -271*b + 94788 - 6748 = 358*b + 81*b for b.
Solve this plz.

A: 124

Solve 117*f + 389 = -1 - 78 for f.
Solve this plz.

A:
-4