Solve 7*x + 3*x = -4*x for x.
Solve this plz.

A: 0

Solve 974972 - 1048540 = -608*y for y.
Solve this plz.

A: 121

Solve -27*g - 9*g - 108 = 0 for g.
Solve this plz.

A:
-3