-2(4-3y)=3+9(y-1)

Solution for -2(4-3y)=3+9(y-1) equation:

-2(4-3y)=3+9(y-1)

We simplify the equation to the form, which is simple to understand 
-2(4-3y)=3+9(y-1)

Reorder the terms in parentheses
+(-8+6y)=3+9*(y-1)

Remove unnecessary parentheses
-8+6y=+3+9+*(+y-1+)

Reorder the terms in parentheses
-8+6y=3+(+9y-9)

Remove unnecessary parentheses
-8+6y=+3+9y-9

We move all terms containing y to the left and all other terms to the right. 
+6y-9y=+3-9+8

We simplify left and right side of the equation. 
-3y=+2

We divide both sides of the equation by -3 to get y. 
y=-0.666666666667