SOLUTION: if 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 320307: if 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 ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
if the average of three numbers is v.
if one of the numbers is z and another is y, what is the remaining number?
:
let n = the remaining number:
%28n%2By%2Bz%29%2F3 = v
n + y + z = 3v
n = (3v-y-z) is the remaining number