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    sri340's Avatar
    sri340 Posts: 5, Reputation: 1
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    #1

    Oct 7, 2009, 02:48 AM
    Solve for x in the below algebraic equation
    Solve for x in the below algebraic equation

    3^2x + 19 = 10^x
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #2

    Oct 7, 2009, 03:48 AM
    Sorry :o I'll give it a try later on... I did a very big mistake

    EDIT: Ok, now I'll do it.

    The only way that I see, is that you have to solve this by graphing, or iterations, if you know how to do it.

    Draw the graph of and .

    Look for the point of intersection, and check it's x coordinate, which is the solution to your answer.
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    Unknown008 Posts: 8,076, Reputation: 723
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    #3

    Oct 7, 2009, 08:06 AM

    I was trying the iteration, and was looking for the point where the sign changes, and found that x = 2 solved the equation...

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