Solve 4894 = 710*f - 25636 for f.
Solve this plz.

A: 43

Solve 137790 = 1943*h + 2623*h + 379788 for h.
Solve this plz.

A: -53

Solve -38 + 31 = 23*x + 108 for x.
Solve this plz.

A:
-5