Solve -7 = 2*n - 7 for n.
Solve this plz.

A: 0

Solve 0 = 7*z + 4 - 11 for z.
Solve this plz.

A: 1

Solve -1969*v + 1072*v = 2476*v + 49593 + 81954 for v.
Solve this plz.

A:
-39