4x+8/x+2 - x-4/x+2=0

4x+8/x+2 - x-4/x+2=0,     x≠-2

4(x+2)/(x+2) - (x-4)/ (x+2)=0

4- x-4/x+2 =0

-x-4/x+2=-4

x-4=(x+2)*4

x-4=4x+8

x-4x=8+4

-3x=12

x=-4, x≠-2

x=-4