Respuesta :

-9-8x=2(7+4x)

First you are going to distribute the 2 to (7+4x) then you will get both Xs on one side

-9-8x=2(7+4x)
-9-8x= 14+8x
+8x. +8x

=-9=14+16x

Now subtract 14 from both sides

9=14+16x
-14 -14

-23=16x

Divide by 16

Your answer will be x= -23/16