adamhargrave06 adamhargrave06

10-01-2022
Mathematics

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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 class=

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hochunyung94 hochunyung94

10-01-2022

Answer:

x=9

Step-by-step explanation:

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

[tex]\frac{72}{9} =\frac{56}{3x-20}\\8=\frac{56}{3x-20}\\8(3x-20)=56\\3x-20=7\\3x=27\\x=9[/tex]

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