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1.     What is the value of x? Show your work.

Guest Dec 15, 2017

Best Answer 

 #1
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25/20 = 30/(4x - 4)   Cross multiply

25(4x - 4) = 20 x 30

100x - 100 = 600       Add 100 to both sides

100x = 700                  Divide both sides by 100

x = 700/100

x = 7

Guest Dec 15, 2017
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1+0 Answers

 #1
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0
Best Answer

25/20 = 30/(4x - 4)   Cross multiply

25(4x - 4) = 20 x 30

100x - 100 = 600       Add 100 to both sides

100x = 700                  Divide both sides by 100

x = 700/100

x = 7

Guest Dec 15, 2017

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