Solve 156660*k + 902 = 156701*k for k.
Solve this plz.

A: 22

Solve -1177*b = -1571*b + 17730 for b.
Solve this plz.

A: 45

Solve 1158*s + 2118*s - 286859 = -37883 for s.
Solve this plz.

A:
76