-g+2(3+g)+(-4)(g+2)=8

Solution for -g+2(3+g)+(-4)(g+2)=8 equation:

-g+2(3+g)+(-4)(g+2)=8

We simplify the equation to the form, which is simple to understand 
-g+2(3+g)+(-4)*(g+2)=8

Reorder the terms in parentheses
-g+(+6+2g)+(-4)*(g+2)=8

Remove unnecessary parentheses
-g+6+2g+(-4+)+*(+g+2+)=+8

Reorder the terms in parentheses
multiplication of parentheses
-g+6+2g+(-4g-8)=8



Remove unnecessary parentheses
-g+6+2g-4g-8=+8

We move all terms containing g to the left and all other terms to the right. 
-1g+2g-4g=+8-6+8

We simplify left and right side of the equation. 
-3g=+10

We divide both sides of the equation by -3 to get g. 
g=-3.33333333333