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22-06-2017
Mathematics

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L is the midpoint of CD. If CL=1x+8 and LD=2x-4,find the length of CD. 33

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22-06-2017

so the two equations should be set up equal to each other.
1x + 8 = 2x - 4
now subtract 1x to 2x
8 = x - 4
now add 4 to 8
12 = x

to check you can plug it into x and see if they are both equal

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