Solve -102*i + 102 - 79 = -181 for i.
Solve this plz.

A: 2

Solve -316*z + 1331 = 188*z + 1835 for z.
Solve this plz.

A: -1

Solve 0 = 795*n + 219*n + 30420 for n.
Solve this plz.

A:
-30