If the mean of five numbers : x, (x+2), (x+4), (x+6), (x+8) is 11, find the mean of the first three numbers.
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11 = x+ x+2+x+4+x+6+x+8
11= 20+ 5x
11-20 = 5x
-9=5x
x=-9/
11= 20+ 5x
11-20 = 5x
-9=5x
x=-9/
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the answer is -9
thanks you for giving me the opportunity to work on your problem I had a favor can you please do it for me that is add this answer to the brainlist
thanks you for giving me the opportunity to work on your problem I had a favor can you please do it for me that is add this answer to the brainlist
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