The mean of 6, y, 4, x and 11 is 7. Which of the following is true?

1.	The mean of 6, y, 4, x and 11 is 7. Which of the following is true?
A.	\[x+y=14\]
B.	\[x-y=14\]
C.	\[3x+4y=63\]
D.	\[{{x}^{2}}-{{y}^{2}}=21\]
Answer» B. \[x-y=14\]

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The mean of 6, y, 4, x and 11 is 7. Which of the following is true?

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