Solve -436*z = -400*z + 1296 for z.
Solve this plz.

A: -36

Solve 0 = -57*z - 13*z + 420 for z.
Solve this plz.

A: 6

Solve 75*j - 25 - 360 = 290 for j.
Solve this plz.

A:
9