Solve 51*o - 21 = 44*o for o.
Solve this plz.

A: 3

Solve -184*f + 21623 = -41*f + 530*f - 31544 for f.
Solve this plz.

A: 79

Solve 0 = 2346*b - 193 + 131569 for b.
Solve this plz.

A:
-56