Respuesta :
Do the distributive property before you add. When you do this you get
(20x+4)+(4x-2)
20x+4+4x-2
Now add like terms to get
24x+2
Do the distributive property before you add. When you do this you get
(20x+4)+(4x-2)
20x+4+4x-2
Now add like terms to get
24x+2