Solve 6*b - 8*b + 0*b = 0 for b.
Solve this plz.

A: 0

Solve -156*g + 9221 = -2133*g - 52627 - 52818 for g.
Solve this plz.

A: -58

Solve -7 - 13 = 5*s for s.
Solve this plz.

A:
-4