Please help !! Geometry homework. Will mark brainliest answer !

Answer:
It is True.
Step-by-step explanation:
Let's solve the rational equation and if it is ture.
x/8 = 5/4
Cross multiplying, we get
4x = 5*8
4x = 40
Dividing both sides by 4, we get
x = 10.
Therefore, x = 10 is true.
Thank you. :)