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arctgh(x)-x-3x+2=0 equation

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Numerical solution:

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The solution

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atanh(x) - x - 3*x + 2 = 0
$$\left(- 3 x + \left(- x + \operatorname{atanh}{\left(x \right)}\right)\right) + 2 = 0$$
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Numerical answer [src]
x1 = 0.73473516877121
x1 = 0.73473516877121