Solve 0 = 58*p - 787*p - 9477 for p.
Solve this plz.

A: -13

Solve -405*p = -421*p - 160 for p.
Solve this plz.

A: -10

Solve -10*s + 572 - 472 = 0 for s.
Solve this plz.

A:
10