Solve 0 = 2*u - 159 + 155 for u.
Solve this plz.

A: 2

Solve 11022 = -4530*u + 4697*u for u.
Solve this plz.

A: 66

Solve -2923*x + 4 + 134 = -2946*x for x.
Solve this plz.

A:
-6