SOLUTION: If the average (arithmetic mean), of 6, 6, 12, 16, and x is equal to x, what is the value of x?

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Question 94832: If the average (arithmetic mean), of 6, 6, 12, 16, and x is equal to x, what is the value of x?
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
%286%2B6%2B12%2B16%2Bx%29%2F5=x Translate the word problem


6%2B6%2B12%2B16%2Bx=5x Multiply both sides by 5


40%2Bx=5x Combine like terms


40=4x Subtract x from both sides


10=x Divide both sides by 4

So our answer is

x=10