Solve 9339*o - 10846*o - 126588 = 0 for o.
Solve this plz.

A: -84

Solve 1262*r + 576 = 2588*r - 1294*r for r.
Solve this plz.

A: 18

Solve -2*d - 34 = -32 for d.
Solve this plz.

A:
-1