Question 379603
The left hand side is plotted in green.
The right hand side is plotted in blue.
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{{{graph(300,300,-10,10,-10,10,0,(4/3)^(1-x),5x)}}}
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I iterated to get a solution of {{{x=0.248284}}} with gave me a residual error of {{{-8x10^(-7)}}}.