Respuesta :

Answer:

           

Step-by-step explanation

3x+9=?

subtract 9 from both sides

3x=-9

divide by 3

x=-3

Now plug it in to find your soultion that is not correct

3(-3)+9=

-9+9=

0

Answer:

Step-by-step explanation:

It is c on edge

ACCESS MORE
ACCESS MORE
ACCESS MORE
ACCESS MORE