Solve -91 = 9*p - 37 for p.
Solve this plz.

A: -6

Solve -327*a - 360 = -452*a - 1235 for a.
Solve this plz.

A: -7

Solve -88605*z = -88663*z - 986 for z.
Solve this plz.

A:
-17