Solve 26*o - 96 = -148 for o.
Solve this plz.

A: -2

Solve -794*a + 18745 = -259*a + 280*a for a.
Solve this plz.

A: 23

Solve -7 = 28*i - 146 - 57 for i.
Solve this plz.

A:
7