Answer:
x = [tex]\frac{4-2y+2z}{4}[/tex]
Step-by-step explanation:
4x-y+2z = 8x+y-4
4x-8x-y+2z = 8x - 8x +y-4
-4x -y +2z= y-4
-4x -y+y +2z = y+y-4
-4x +2z = 2y-4
-4x+2z-2z = 2y-2z-4
-4x = 2y-2z-4
[tex]x= \frac{2y-2z-4}{-4}[/tex] = [tex]\frac{4-2y+2z}{4}[/tex]
