Solve -3124*o - 10700 + 8105 = -3620*o + 26669 for o.
Solve this plz.

A: 59

Solve 31*a + 27 = 28*a for a.
Solve this plz.

A: -9

Solve 2*p = -12 + 14 for p.
Solve this plz.

A:
1