Answer:
x=28/3 or 9 1/3
Step-by-step explanation:
triangle ABC is equal to triangle ADE by HL. you can solve this by setting up a proportion so for the sides its CB/ED=AB/AD. then just plug in the side lengths, cross multiply and youre done
7/13=x/8+x
56+7x=13x
56=6x
56/6=x
28/3=x
