Solve -91*u - 215*u - 23604 = -25*u for u.
Solve this plz.

A: -84

Solve -648*h - 4759 = -42343 for h.
Solve this plz.

A: 58

Solve 0 = 4*f - 8 + 24 for f.
Solve this plz.

A:
-4