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November 9th, 2012, 12:31 PM  #1 
Newbie Joined: Nov 2012 Posts: 2 Thanks: 0  Isolate variable with variable exponent
Hello everyone, I have the following formula: y = x + (1 + x) ^ z How can I isolate the x variable in this equation? Thanks, 
November 9th, 2012, 04:45 PM  #2 
Global Moderator Joined: Dec 2006 Posts: 20,978 Thanks: 2229 
You can't do this except for certain values of z (such as z = 1).

November 9th, 2012, 08:52 PM  #3 
Newbie Joined: Nov 2012 Posts: 2 Thanks: 0  Re: Isolate variable with variable exponent
HI skipjack, I was in doubt if it was impossible or if I lacked the math skills for that. Thanks for the reply. 

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