Solve 0 = -12901*v + 12870*v for v.
Solve this plz.

A: 0

Solve 43*l - 142 + 3 = -96*l for l.
Solve this plz.

A: 1

Solve 3*x = -6*x + 33 - 42 for x.
Solve this plz.

A:
-1