Solve -28388 + 16026 = -2423*i - 840*i - 123304 for i.
Solve this plz.

A: -34

Solve -28216591 + 28221127 = -252*n for n.
Solve this plz.

A: -18

Solve 14026 = -79*o + 17344 for o.
Solve this plz.

A:
42