Answer:
AC=2X-24
Step-by-step explanation:
AB=6 BC=2(X-15) DC=6 and ED=9
A---------B--------C--------D--------E
6 2X-15 6 9
AC=AB+BC Plug in what you know.
AC=6+2(X-15) Distribute the 2 into the parentheses. (multiply 2 times X and 2 times -15
AC=6+2X-30 Now simplify.
AC=2X-30+6 AC=2X-24
