Respuesta :

LilTinyJ02
It will be 8x+7
Hope this helps

TSO
(7 + x) + 7x = ?

First, remove the parenthesis.

7 + x + 7x = ?

Add like terms.
Note: x = 1x

7 + 1x + 7x = 7 + 8x

Your answer is 7 + 8x, or 8x + 7.