Solve -384*d - 1391 - 659 - 638 = 0 for d.
Solve this plz.

A: -7

Solve -84 - 90 = -58*h for h.
Solve this plz.

A: 3

Solve -2715127*s + 0 = -2715129*s - 2 for s.
Solve this plz.

A:
-1