Solve -8*g - 37 + 17 = 20 for g.
Solve this plz.

A: -5

Solve 0 = 7*r - 2*r + 25 for r.
Solve this plz.

A: -5

Solve 50767 + 9947 = -756*w - 1740 + 1218 for w.
Solve this plz.

A:
-81