SOLUTION: 2)the average of two numbers is A. if one of the numbers is x, the other number is?
X+?/2 = a (then u cross multiply)
X+?/2 = a/1
2a= x +?
2a-x=?
Therefore ?=2a-x
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Question 772622: 2)the average of two numbers is A. if one of the numbers is x, the other number is?
X+?/2 = a (then u cross multiply)
X+?/2 = a/1
2a= x +?
2a-x=?
Therefore ?=2a-x
Found 2 solutions by ankor@dixie-net.com, Sambright:
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
2)the average of two numbers is A. if one of the numbers is x, the other number is?
:
let y = the other number
= A
solve for y
multiply both sides by 2
x + y = 2A
subtract x from both sides
y = 2A - x
:
The other number is (2A-x)
Answer by Sambright(1) (Show Source): You can put this solution on YOUR website!
X+?/2 = a (then u cross multiply)
X+?/2 = a/1
2a= x +?
2a-x=?
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