Solve 686*w = 466*w + 2664 - 12344 for w.
Solve this plz.

A: -44

Solve 0 = -7*j + 2*j + 25 for j.
Solve this plz.

A: 5

Solve 913*o + 3684 = 8249 for o.
Solve this plz.

A:
5