Solve 588*b + 56*b + 30*b + 5392 = 0 for b.
Solve this plz.

A: -8

Solve 17*n + 24 = -180 for n.
Solve this plz.

A: -12

Solve 2181*m + 3343 + 1571 = 2415*m for m.
Solve this plz.

A:
21