Solve 23*o + 27*o - 81*o + 31 = 0 for o.
Solve this plz.

A: 1

Solve 375*j - 8985 - 6350 = 11004 + 14161 for j.
Solve this plz.

A: 108

Solve -5 = 2*x - x for x.
Solve this plz.

A:
-5