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If AD = 3x + 2 and CD = x + 6, what is the value of x?

If AD = 3x + 2 and CD = x + 6, what is the value of x?-example-1

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From the figure, you know that AD = CD.

So, 3x + 2 = x + 6. That can be solved for x:

3x + 2 = x + 6

2x = 4

x = 2

So the value of x is 2

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