Answer:
x=9
Step-by-step explanation:
hello :
use thales- rul :
(3x-20)/56 =9/72
(3x-20)72= 9×56
3x-20 =9×56/72
3x-20 =7
3x=27
x=27/3
your will be A
hoped i helped and can i get brainiest pls
It might be C if im wrong sorry