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    amashhour's Avatar
    amashhour Posts: 2, Reputation: 1
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    #1

    Nov 21, 2009, 09:07 AM
    how do we make x the subject
    4x=y
    amashhour's Avatar
    amashhour Posts: 2, Reputation: 1
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    #2

    Nov 21, 2009, 09:08 AM

    4x=y
    s_cianci's Avatar
    s_cianci Posts: 5,472, Reputation: 760
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    #3

    Nov 21, 2009, 09:26 AM
    What exactly is your question? If you need to solve your equation for x, then divide both sides by 4.
    Perito's Avatar
    Perito Posts: 3,139, Reputation: 150
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    #4

    Nov 21, 2009, 09:28 AM
    Quote Originally Posted by amashhour View Post
    4x=y
    Divide both sides of the equation by some quantity intended to isolate the "x". For example. Given the following equation, how can we make x the "subject"?

    32x = 64y

    If we divide both sides by 32, we'll get this:



    Viola!
    mathwiz3502's Avatar
    mathwiz3502 Posts: 121, Reputation: 1
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    #5

    Nov 28, 2009, 04:38 PM

    divide by 4
    x=y/4
    I believe that there are much more difficult problems in which you have to make x the subject.
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