Solve 13*n + 39*n = 52 for n.
Solve this plz.

A: 1

Solve 22*v + 14*v - 108 = 0 for v.
Solve this plz.

A: 3

Solve -177*b - 20*b + 1036 - 8641 = -2*b for b.
Solve this plz.

A:
-39