Can someone 6y + 9y (btw you have to simplify the expression)

Liz is shipping a package to her friend.the maximum weight of a medium flat-rate box is 20 pounds,including the box which weighs 6 ounces.write and solve an inequality to describe the possible weight ,w, of the contents that liz will ship to her friend if she must use a medium flat-rate box.

What is the solution to the equation below? 3/x-2+6=square root x-2 +8

How to simply and write the answer n a whole number