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The mean of 5, 7 and X is 7. What is X?
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The mean of 5, 7 and X is 7. What is X?

User Dillen Meijboom
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1 Answer

2 votes

Answer:

9

Explanation:

(5+7+X)/3=7

5+7+X=21

X=21-12=9

Hope, this helps you.

User Bruce Smith
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