Solve 0 = -9*z + 31 + 5 for z.
Solve this plz.

A: 4

Solve -882*k - 1240 = -727*k for k.
Solve this plz.

A: -8

Solve 0 = 212*x + 12595 - 10687 for x.
Solve this plz.

A:
-9