We have to use the Distributive Property in this equation.
By the Distributive Property,
[tex]8(x+2)=36
[/tex]
becomes
[tex]8x+16=36.[/tex]
Now we need to isolate x. Remember PEMDAS?
[tex]8x=20[/tex]
[tex]x=20/8[/tex]
Simplify the right side.
[tex]x=10/4[/tex]
[tex]x=5/2[/tex]