SOLUTION: D is the midpoint of CE. If CD = 4x and DE = x + 9, what is CD?

SOLUTION: D is the midpoint of CE. If CD = 4x and DE = x + 9, what is CD?

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Question 1201696: D is the midpoint of CE. If CD = 4x and DE = x + 9, what is CD?

Answer by greenestamps(13200) (Show Source): You can put this solution on YOUR website!

If D is the midpoint of CE, then CD and DE are the same length.

4x = x+9

Solve using very basic algebra.

Then remember that the answer to the question is not x; it is the length of CD, which is 4x.

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