Respuesta :

rhiannonbee

If you see that 3x-3 and set it equal to x+7 then you will get this,

3x-3=x+7


Now solve for X. You will get 5.

Then you plug five in and get 12 For both sides and then multiply 12 by 4 and get 48.

You answer is 48.

Hope this helps you.

The answer to this question is 48