Solve 483*a + 697*a + 718*a = -11388 for a.
Solve this plz.

A: -6

Solve 0 = -258*p + 800*p - 542 for p.
Solve this plz.

A: 1

Solve 88*h + 8269 - 4573 = 0 for h.
Solve this plz.

A:
-42