Respuesta :

Answer: x=21

Step-by-step explanation:

Concept

- If three parallel lines intersect two transversals, then the segments intercepted on the transversals are proportion.

Solve

Given

x/7 = 27/9

Simplify

x/7 = 3/1

Cross multiply

x = 21

Hope this helps!! :)

Please let me know if you have any questions

The correct answer is 21