Solve 66351 = -1546*f - 8261 - 36700 for f.
Solve this plz.

A: -72

Solve 2008*s - 57215 = 8749*s + 145015 for s.
Solve this plz.

A: -30

Solve 0 = 342*o - 10759 + 1525 for o.
Solve this plz.

A:
27