SOLUTION: The average of two values is 2x+y. If a third value of 5x+4y is included, find the average of all three of the values. Express your answer as a simplified polynomial expression in

Question 945473: The average of two values is 2x+y. If a third value of 5x+4y is included, find the average of all three of the values. Express your answer as a simplified polynomial expression in terms of x and y. Thanks for your help.
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!

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