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01-10-2017
Mathematics

contestada

In rectangle ABCD, the length of BD is 10x + 8 and the length of AC is 9x + 20. What is the value of x ?

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leeandrews2 leeandrews2

03-10-2017

10x+8=9x+20 subtract 9x from both sides
x+8=20 subtract 8 from both sides
x=12

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