Solve -268*d - 14878 = -192*d + 518*d - 622 for d.
Solve this plz.

A: -24

Solve 0 = 55*o - 2055 + 900 for o.
Solve this plz.

A: 21

Solve -498*v - 448 = -434*v for v.
Solve this plz.

A:
-7