a million) subtract 2x from each and every bit to eliminate the 2x's on the ends leaves you with -a million < x+5 < 7 2) subtract 5 from each and every bit to eliminate the 5 interior the midsection. leave you with -6 < x < 2 you're fixing for x (attempting to get it "on its very own")
Add 5 to both sides divide by 2. Simple nuff. The graph is just a number line, with x defined where it says. Try reading your book next time too, its much better to learn it yourself than have someone answer it for you.