Solve 11*a - 6*a + 300 = -15*a for a.
Solve this plz.

A: -15

Solve 701 - 375 = 14*f + 382 for f.
Solve this plz.

A: -4

Solve -8*k - 21 = 11 for k.
Solve this plz.

A:
-4