Respuesta :
To justify
They put all the like terms together
For (3x-2x) they factored out an x which leaves the (3-2)x after this is done you get 1x, thus giving the answer
They put all the like terms together
For (3x-2x) they factored out an x which leaves the (3-2)x after this is done you get 1x, thus giving the answer