Answer:
10 1/2
Step-by-step explanation:
First you would do.
9+2/3+5/6
2/3=4/6
9+4/6+5/6
9+9/6=3/2
9+1 1/2
=10 1/2
4536
x-10 +x = 8 + 2x - 18
336
A -> A
B -> E
C -> D
Theyre similar triangles, ABC = AED