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Thread: Solve for x

  1. Dec 1st 2008, 11:51 AM #1
    DHS1
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    Solve for x

    Hey guys.

    ((x+1)/(x-1))=2a

    Solve for x please I can't figure this one out.
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  2. Dec 1st 2008, 11:58 AM #2
    Shyam
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    Quote Originally Posted by DHS1 View Post
    Hey guys.

    ((x+1)/(x-1))=2a

    Solve for x please I can't figure this one out.
    \frac{x+1}{x-1}=\frac{2a}{1}

    now, cross-multiply and solve. Show your work.
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  3. Dec 1st 2008, 12:01 PM #3
    masters
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    Quote Originally Posted by DHS1 View Post
    Hey guys.

    ((x+1)/(x-1))=2a

    Solve for x please I can't figure this one out.
    Here we go...

    \frac{x+1}{x-1}=2a

    x+1=2a(x-1)

    x+1=2ax-2a

    x-2ax=-2a-1

    x(1-2a)=-2a-1

    x=\frac{-2a-1}{1-2a}
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