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Math Help - Algebraic Equations all variables help on problem

  1. #1
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    Algebraic Equations all variables help on problem

    Sorry to post such a basic question but I recently started relearning algebra and Im doing ok. I am stumped on this equation and how to solve for x.


    a/bx + c/d = e ; x = ?

    I have the answer as this x = da/b(ed-c)
    Could someone please post the steps to solve this problem in detail so i can wrap my brain around it.
    Thanks so much for the help.
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  2. #2
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    Re: Algebraic Equations all variables help on problem

    Multiply each term (both sides) by bxd

    Get ad+cbx=ebdx So ad= ebdx-cbx So ad= (ebd-cb)x So ad/b(ed-c)=x
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  3. #3
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    Re: Algebraic Equations all variables help on problem

    Quote Originally Posted by Capnzims View Post
    a/bx + c/d = e ; x = ?
    I have the answer as this x = da/b(ed-c)
    If that's the answer, then your 1st term should be a/(bx)
    Example:
    20 / 2 * 5 = 10 * 5 = 50
    20 / (2 * 5) = 20 / 10 = 2
    Quite a difference, right!
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