Help needed Re-arranging 3 - e^x = e^-x to get "x="

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markbrock30

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Mar 5, 2008
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Here is the equation:

3 - e^x = e^-x

I need to re-arrange to make x the subject... could anyone show me how to do this?

Cheers,

Mark.
 
Re: Help needed Re-arranging this:

markbrock30 said:
Here is the equation:

3 - e^x = e^-x

I need to re-arrange to make x the subject... could anyone show me how to do this?
Click to expand...
This is not very clear.

Please post the exact question and show your work - indicating exactly where you are stuck.
 
Re: Help needed Re-arranging this:

Multiply by e^x, which never is zero, and think on the quadratic formula.
 
Yea I figured it out - you just rearrange into a quadratic and solve from there.


Cheers mate.

Mark.
 
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