All,

I cannot figure out how to show all steps to the following problem.

Original equation: x + 40 = (x/2)(e^-200/x) + (x/2)(e^200/x)

Solve for x.

Answer (derived from cad dimensions) : x = 506.53

Here is as far as I could simplify :

x + 40 = (x/2)(e^(-200/x)) + (x/2)(e^(200/x))

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