[tex](8x+6)-(x+4) [/tex]
lets just focus on the side of the equation after the negative for now..
first, distribute the negative...
[tex]-(x+4) \\ -x-4[/tex]
now lets add this back to the original...
[tex]8x+6 - x -4[/tex]
add like terms...
[tex]7x+2[/tex]
and there we have it fully simplified!
