Solve -757*d + 6400 = -117*d for d.
Solve this plz.

A: 10

Solve 0 = 45746*s - 45851*s + 4725 for s.
Solve this plz.

A: 45

Solve -51*b + 69 = -33 for b.
Solve this plz.

A:
2