Ashley P.
asked • 11/21/22D is the midpoint of CE. If CD = x + 4 and CE = 4x − 4, what is CD?
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David W. answered • 11/21/22
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See Robert K's answer.
Robert K. answered • 11/21/22
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2CD = CE
2(x + 4) = 4x - 4
2x + 8 = 4x - 4
2x = 12
x = 6
CD = 6 + 4 = 10
Checking: CE = 4(6) - 4 = 20
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