Solve -6*z + 2*z + 16 = 0 for z.
Solve this plz.

A: 4

Solve 0 = 1364*u + 2389*u - 8737*u - 5039*u - 1112553 for u.
Solve this plz.

A: -111

Solve 0 = -174*f - 20399 + 21337 - 11900 for f.
Solve this plz.

A:
-63