Solve 5 + x - 14 = x - 7

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 measure of sty in oo below? 130 310 230 50

If julia has a value of x5.4 that is equivalent to x10.9 true or false. explain