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Math Help - How do you get one equation from another?

  1. #1
    Junior Member
    Joined
    Oct 2008
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    32

    How do you get one equation from another?

    Here are two equations....
    1) y=1+ \frac{1}{4}(x)
    2) y=\frac{1}{4}(4+x)
    I know these equations are equal, but I have no idea how you can manipulate the first equation to get the second equation. Can someone please tell me how to do this? Thanks in advance.
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  2. #2
    Senior Member
    Joined
    Nov 2008
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    Hi.

    Quote Originally Posted by Infernorage View Post
    Here are two equations....
    1) y=1+ \frac{1}{4}(x)
    2) y=\frac{1}{4}(4+x)
    I know these equations are equal, but I have no idea how you can manipulate the first equation to get the second equation. Can someone please tell me how to do this? Thanks in advance.
    It is

    y=1+ \frac{1}{4}(x)= \frac{4}{4}*[1+\frac{1}{4}x]

    =\frac{1}{4}[4*1+\frac{4*1}{4}x] = \frac{1}{4}*[4+x]

    = \frac{4+x}{4}

    Do you understand?

    Cheers,
    Rapha
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