Solve 2*o + 58*o + 129 + 2451 = 0 for o.
Solve this plz.

A: -43

Solve -79 - 163 = 30*h + 118 for h.
Solve this plz.

A: -12

Solve 31*o - 20 = 35*o for o.
Solve this plz.

A:
-5