Solve 81*p + 895*p + 524 = -2925 - 455 for p.
Solve this plz.

A: -4

Solve 78*v - 256 = 141*v - 79*v for v.
Solve this plz.

A: 16

Solve -875*b = -864*b - 18 - 37 for b.
Solve this plz.

A:
5