Solve 0 = -1034*f + 986*f + 720 for f.
Solve this plz.

A: 15

Solve 79840*l - 837 = 79747*l for l.
Solve this plz.

A: 9

Solve -92 + 706 = -43*f + 12 for f.
Solve this plz.

A:
-14