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Find the missing value for X

Find the missing value for X-example-1

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If we assume that BC is bisecting AD, and that AE is half of AD, we can set up the equation:


2(19)=5x-7

Then we can solve directly for x:


38=5x-7

45=5x

x=9

So we have then calculated x which is equal to 9.
User Amfasis
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