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2^((x-7)/2)+2^((3x-7)/x)=160 equation

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Numerical solution:

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The solution

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 x - 7    3*x - 7      
 -----    -------      
   2         x         
2      + 2        = 160
$$2^{\frac{x - 7}{2}} + 2^{\frac{3 x - 7}{x}} = 160$$
Numerical answer [src]
x1 = -1.61981790396242
x2 = 21.5263397363177
x2 = 21.5263397363177