Solve -38 = -3*f - 32 for f.
Solve this plz.

A: 2

Solve -8526*k - 744036 - 1126889 = 9885*k + 25408 for k.
Solve this plz.

A: -103

Solve -31 = -4*k - 15 for k.
Solve this plz.

A:
4