Solve 100 = -51*p - 2 for p.
Solve this plz.

A: -2

Solve 0 = -38*p - 58*p + 768 for p.
Solve this plz.

A: 8

Solve -2*s - 25 + 23 = 0 for s.
Solve this plz.

A:
-1