Solve 411 + 346 + 368 = 105*z + 390 for z.
Solve this plz.

A: 7

Solve -185*z + 216*z - 186 = 0 for z.
Solve this plz.

A: 6

Solve 69*y - 60 = 2 - 476 for y.
Solve this plz.

A:
-6