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    learoy231's Avatar
    learoy231 Posts: 3, Reputation: 1
    New Member
     
    #1

    Apr 11, 2011, 05:05 AM
    slove indical equation
    2^x+2 = 4^-x

    how do I solve this?

    thanks!
    galactus's Avatar
    galactus Posts: 2,271, Reputation: 282
    Ultra Member
     
    #2

    Apr 11, 2011, 05:29 AM

    Do you mean ?

    You have written.
    learoy231's Avatar
    learoy231 Posts: 3, Reputation: 1
    New Member
     
    #3

    Apr 11, 2011, 06:45 AM
    Yes I wrote it wrong not to used to wrighting math on the PC

    Thanks
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
    Uber Member
     
    #4

    Apr 11, 2011, 08:28 AM

    Use the indices rule:







    You might want to do a substitution to make things easier. Something like...

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