Solve -18*g + 54 = 9*g for g.
Solve this plz.

A: 2

Solve -480 = -21*h - 5*h + 2*h for h.
Solve this plz.

A: 20

Solve 684 + 729 = -36*m + 1665 for m.
Solve this plz.

A:
7