Can someone help me with the answer please?

Answer:
x = 6
Step-by-step explanation:
Using the Secant and Chord intersection theorem we can say that:
(GE) (FE) = (CE) (DE)
(11 + 7) (7) = (2x - 7 + 9) (9)
(18) (7) = (2x + 2) (9)
126 = 18x + 18
108 = 18x
6 = x
Hope this helps!