[tex]\frac{2x}{2}=\frac{2}{2}[/tex][tex]2x+6=8[/tex]
[tex]2x+6-6=8-6[/tex]
[tex]2x=2[/tex]
[tex]\frac{2x}{2}=\frac{2}{2}[/tex]
[tex]x=1[/tex]
[tex]2x+6=-8[/tex]
[tex]2x+6-6=-8-6[/tex]
[tex]2x=-14[/tex]
[tex]\frac{2x}{2}=\frac{-14}{2}[/tex]
[tex]x=-7[/tex]
x=1 or x=-7 is correct answer.
Hope this helps!
Thanks!
-Charlie