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Can any of you smart people find the POSITIVE value of x in the following equation?

0.035674^x + 0.096972^x + e^(-x) =3/20

Any help will be greatly appreciated. Thank you.

 Mar 11, 2018
 #1
avatar+28132 
+2

Must be solved numerically:

 

.

 Mar 11, 2018
 #2
avatar+18957 
+1

WolframAlpha says   x = 1.97567824

 

 

http://www.wolframalpha.com/input/?i=0.035674%5Ex+%2B+0.096972%5Ex+%2B+e%5E(-x)+%3D3%2F20

 Mar 11, 2018
edited by Guest  Mar 11, 2018

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