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Math Help - Solving For X?

  1. #1
    Newbie
    Joined
    Sep 2009
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    7

    Solving For X?

    How do I solve for x:

    e^x=y-1

    It might seem simple but im lost right now.
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  2. #2
    Senior Member
    Joined
    Nov 2008
    Posts
    461
    Hi xxju1anxx!

    Quote Originally Posted by xxju1anxx View Post
    How do I solve for x:

    e^x=y-1

    It might seem simple but im lost right now.
    I think it is simple, just use the LN:

    e^x = y-1

    LN(e^x) = LN(y-1)

    x*LN(e) = LN(y-1)

    x*1 = LN(y-1)

    x = LN(y-1)

    done.

    Any questions?

    Rapha
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