Thread: x in terms of y

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  1. #1 x in terms of y 
    Registered Member Blaze3211's Avatar
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    Hey, i am stuck with this question:

    I think of two numbers, x and y
    x - y is half of x + y
    write x in terms of y

    Please show your working out, Thanks alot.
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    x-y = (x+y) / 2
    2(x-y) = x+y
    2x-2y = x+y
    x = 3y
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    x-y = (x+y) / 2
    2(x-y) = x+y
    2x-2y = x+y
    x = 3y
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  6. #4  
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    Code:
    (x + y) / 2 = (x - y)
    (x + y) = 2 * (x - y)
    (x + y) = 2x - 2y
    2x - x = 2y + y
    x = 3y
    Sincerely,

    Lee Sin

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  8. #5  
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    Quote Originally Posted by bobismyname View Post
    x-y = (x+y) / 2
    2(x-y) = x+y
    2x-2y = x+y
    x = 3y
    Quote Originally Posted by Lee Sin View Post
    Code:
    (x + y) / 2 = (x - y)
    (x + y) = 2 * (x - y)
    (x + y) = 2x - 2y
    2x - x = 2y + y
    x = 3y
    What's the point in posting? I already answered it lol...
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  9. #6  
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    Quote Originally Posted by Samuel View Post
    What's the point in posting? I already answered it lol...
    Mine is neater and shows more working out
    Sincerely,

    Lee Sin

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    Lol, 4 ppls copied what the first 1 said
    Guys, if you think you really love math you can just try to solve this (its not hard tho) :

    http://www.rune-server.org/general-d...8185-math.html
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  11. #8  
    Registered Member Blaze3211's Avatar
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    Thanks alot guys.
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