Solve -66*x - 130 = 4*x + 10 for x.
Solve this plz.

A: -2

Solve -81*o - 10*o = 5*o - 960 for o.
Solve this plz.

A: 10

Solve 3*v = -5 - 4 for v.
Solve this plz.

A:
-3