Solve -450*p = -455*p + 45 for p.
Solve this plz.

A: 9

Solve 6*a - 1376 = -24*a - 2*a for a.
Solve this plz.

A: 43

Solve -702*o + 6535 - 138 = -6239 for o.
Solve this plz.

A:
18