Solve -195 - 203 = 27*d + 7 for d.
Solve this plz.

A: -15

Solve 9 = 132*z - 1179 for z.
Solve this plz.

A: 9

Solve 6*r + r = -17*r + 44*r + 840 for r.
Solve this plz.

A:
-42