Solve -107*s - 74*s - 17457 = -7*s + 79*s for s.
Solve this plz.

A: -69

Solve -968*h - 5840 + 994 = 785*h + 2166 for h.
Solve this plz.

A: -4

Solve 28 = -10*w - 4*w for w.
Solve this plz.

A:
-2