SOLUTION: The average of 1, 3, and x is 3. What is the value of x?

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Question 1071821: The average of 1, 3, and x is 3. What is the value of x?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
%281%2B3%2Bx%29%2F3=3
4%2Bx=9
Solve for x.