Results 1 to 4 of 4

Math Help - solve exponential equation

  1. #1
    Newbie
    Joined
    Sep 2011
    Posts
    16

    solve exponential equation

    10^{x}+10^{x-1}=0.11
    Follow Math Help Forum on Facebook and Google+

  2. #2
    MHF Contributor Siron's Avatar
    Joined
    Jul 2011
    From
    Norway
    Posts
    1,250
    Thanks
    20

    Re: solve exponential equation

    Rewrite:
    10^{x}+10^{x-1}=0,11
    \Leftrightarrow 10^{x}+10^{x}\cdot 10^{-1}=0,11
    \Leftrightarrow 10^{x}(1+10^{-1})=0,11

    Continue.
    Follow Math Help Forum on Facebook and Google+

  3. #3
    MHF Contributor Siron's Avatar
    Joined
    Jul 2011
    From
    Norway
    Posts
    1,250
    Thanks
    20

    Re: solve exponential equation

    Have you solved it? ...
    Follow Math Help Forum on Facebook and Google+

  4. #4
    Newbie
    Joined
    Sep 2011
    Posts
    16

    Re: solve exponential equation

    yeap/ its x=-1 thank you
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. solve the exponential equation
    Posted in the Pre-Calculus Forum
    Replies: 1
    Last Post: December 7th 2009, 05:19 PM
  2. Solve for x in exponential equation.
    Posted in the Pre-Calculus Forum
    Replies: 1
    Last Post: November 23rd 2009, 11:56 PM
  3. how to solve this exponential equation for b?
    Posted in the Algebra Forum
    Replies: 7
    Last Post: August 31st 2009, 07:01 AM
  4. how to solve this exponential equation
    Posted in the Algebra Forum
    Replies: 1
    Last Post: May 7th 2009, 09:20 AM
  5. Solve this exponential equation
    Posted in the Pre-Calculus Forum
    Replies: 2
    Last Post: February 5th 2009, 10:01 PM

Search Tags


/mathhelpforum @mathhelpforum