Solve 2265*z - 1130*z = 1143*z - 136 for z.
Solve this plz.

A: 17

Solve -19 + 37 = -2*x for x.
Solve this plz.

A: -9

Solve -12*w = -9 + 21 for w.
Solve this plz.

A:
-1