Solve -1629*x - 27426 = -323*x for x.
Solve this plz.

A: -21

Solve 1178*z - 382*z + 16310 = -406 for z.
Solve this plz.

A: -21

Solve -272 = -519*w + 247*w for w.
Solve this plz.

A:
1