Solve 457*b = -1681 - 1975 for b.
Solve this plz.

A: -8

Solve -10398 = -4166*s + 981 + 184423 for s.
Solve this plz.

A: 47

Solve 101784*y = 104377*y - 199661 for y.
Solve this plz.

A:
77