-7(6+y)+20=-5(4+y)-2-2y

Solution for -7(6+y)+20=-5(4+y)-2-2y equation:

-7(6+y)+20=-5(4+y)-2-2y

We simplify the equation to the form, which is simple to understand 
-7(6+y)+20=-5(4+y)-2-2y

Reorder the terms in parentheses
+(-42-7y)+20=-5*(4+y)-2-2y

Remove unnecessary parentheses
-42-7y+20=-5+*(+4+y+)-2-2y

Reorder the terms in parentheses
-42-7y+20=+(-20-5y)-2-2y

Remove unnecessary parentheses
-42-7y+20=-20-5y-2-2y

We move all terms containing y to the left and all other terms to the right. 
-7y+5y+2y=-20-2+42-20

We simplify left and right side of the equation. 
y=0

0=0

This equation is an identity, so all real numbers are solutions.