SOLUTION: the average of two numbers is a. if one of the numbers is x, the other number is? 1. a-x 2.a/2-x 3.2a-x 4.a+x/2 5.x-a

Algebra ->  Average -> SOLUTION: the average of two numbers is a. if one of the numbers is x, the other number is? 1. a-x 2.a/2-x 3.2a-x 4.a+x/2 5.x-a      Log On


   

Question 629572: the average of two numbers is a. if one of the numbers is x, the other number is?
1. a-x
2.a/2-x
3.2a-x
4.a+x/2
5.x-a
Answer by Susmitha(21) About Me  (Show Source):
You can put this solution on YOUR website!
given avg of two no's is a
(x+y)/2=a
x+y=2a
x=2a-y
so the other no is 2a-x