Solve 742 = -316*k - 230 + 24 for k.
Solve this plz.

A: -3

Solve 109511*f - 108751*f + 47120 = 0 for f.
Solve this plz.

A: -62

Solve -20*m - 52*m = 792 for m.
Solve this plz.

A:
-11