Solve 218*v + 266*v = -107*v + 98*v - 5916 for v.
Solve this plz.

A: -12

Solve -5373*o - 197297 = 3449*o - 284217 - 283604 for o.
Solve this plz.

A: 42

Solve 103*n - 48*n = 385 for n.
Solve this plz.

A:
7