Respuesta :

8x -12 = 4x


4x = 12


x =3

You can solve by subtracting the sets of coefficients and their variables, and then dividing:

8x - 12 = 4x
-8x -8x
—— ——
-12 = -4x
—- ——
-4 -4

3 = x

Hope this helps! :)