Solve 15750*h - 15495*h - 299 = 2506 for h.
Solve this plz.

A: 11

Solve -556*w + 550*w - 36 = 0 for w.
Solve this plz.

A: -6

Solve 135*k = 3836 - 2081 for k.
Solve this plz.

A:
13