Solve -6361 = -1340*f - 6616*f + 1595*f for f.
Solve this plz.

A: 1

Solve 15 = 4*d + 35 for d.
Solve this plz.

A: -5

Solve -2*p = 5 + 9 for p.
Solve this plz.

A:
-7