Answer:
im on the same question and i dont know
i have an app for you, its called photo math. all you have to do is scan a math problem like that and it will give you an answer!
hope this helped and i hope you find your answer because i have no clue what the answer is sadly, im bad at math! lol
Answer:
x = 54
Step-by-step explanation:
Since both triangles are similar, therefore,



Cross multiply


Divide both sides by 7
x = 54