Solve 27*c = 49*c - 36*c + 168 for c.
Solve this plz.

A: 12

Solve 44*y + 138 = -2*y for y.
Solve this plz.

A: -3

Solve 87*z + 6*z + 330 = -879 for z.
Solve this plz.

A:
-13