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31 votes
31 votes
What is the value of x? Enter your answer in the box. x =

What is the value of x? Enter your answer in the box. x =-example-1
User Jason Novak
by
3.2k points

1 Answer

28 votes
28 votes

Answer:

x=9

Explanation:

We have two similar triangles because both lines are parallel, use proportions to solve:


(72)/(9) =(56)/(3x-20)\\8=(56)/(3x-20)\\8(3x-20)=56\\3x-20=7\\3x=27\\x=9

User SaNiks
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3.3k points