Solve 275 - 549 = 4*z - 274 for z.
Solve this plz.

A: 0

Solve 116*h - 444 - 3397 = 3119 for h.
Solve this plz.

A: 60

Solve 48*f = -7*f + 660 for f.
Solve this plz.

A:
12