Solve -1542 + 4930 = 256*h - 3012 for h.
Solve this plz.

A: 25

Solve -635*g - 1064 + 5215 = -42*g for g.
Solve this plz.

A: 7

Solve 3252*o - 25644 + 61416 = 0 for o.
Solve this plz.

A:
-11