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Just an answer and simple explanation! Thank you.
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Just an answer and simple explanation! Thank you.

Just an answer and simple explanation! Thank you.-example-1
User Czervik
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1 Answer

11 votes

Answer:

15

Explanation:

If CD and DE equal, then x+6 = 4x -21

So if you subtract x from both sides and plus 21 to both sides, that would be 3x = 27. Divide by 3 on both sides and you get 9.

Plug in x+6 with 9 and you get 15.

User Fredarin
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