Solve -12*y + 6*y - 12 = 0 for y.
Solve this plz.

A: -2

Solve 78*r = -0*r - 468 for r.
Solve this plz.

A: -6

Solve -11285*z - 10046 + 41630 = -10949*z for z.
Solve this plz.

A:
94