Solve -484*y + 781 = -9*y + 7431 for y.
Solve this plz.

A: -14

Solve -5436 - 3384 = 44*a + 166*a for a.
Solve this plz.

A: -42

Solve -8*o = -32*o - 120 for o.
Solve this plz.

A:
-5