SOLUTION: The average of three numbers is V. If one of the numbers is Z and another is Y, what is the remaining number?

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Question 354822: The average of three numbers is V. If one of the numbers is Z and another is Y, what is the remaining number?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Let the remaining number be R.
%28R%2BZ%2BY%29%2F3=V
R%2BZ%2BY=3V
highlight%28R=3V-Z-Y%29