Help me with this. I'll give brainiest

Astudent simplified a rational expression as shown.

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.

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4