SOLUTION: Find the value of x if the arithmetic mean of 3 and 3x+5 is 8 Please help and explain how to Thank you in advance

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Question 1041232: Find the value of x if the arithmetic mean of 3 and 3x+5 is 8
Please help and explain how to
Thank you in advance
Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
Find the value of x if the arithmetic mean of 3 and 3x+5 is 8
--------
The mean is the average.
(3 + 3x+5)/2 = 8
3x + 8 = 16
x = 8/3
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