Simplify the h's bysubtracting 5h (since it is negative) from 10h then add 6 and 3. Your simplified expression should be <em>5h+9</em><em><u /></em><u />.
Also it may be good to know that you can only add and subtract numbers of like form. Ex. 4v and 7v; 9 and 768; 98767jk and 6jk; 12 and 21
