Respuesta :

Answer:

x= 1

Step-by-step explanation:

Step 1- Subtract 4x to both sides(Move the x to one side).

4x+8= 12x

-4x      -4x

8= 8x

Step 2- Divide both sides by 8(Isolate the variable).

8 = 8x

8     8

x= 1