x-4/x+2=x+5/x-7

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Solution for x-4/x+2=x+5/x-7 equation: 


D( x )

x = 0

x = 0

x = 0

x in (-oo:0) U (0:+oo)

x-(4/x)+2 = x+5/x-7 // - x+5/x-7

x-x-(4/x)-(5/x)+2+7 = 0

x-x-4*x^-1-5*x^-1+2+7 = 0

-9*x^-1 = -9 // : -9

x^-1 = 1

-1 < 0

1/(x^1) = 1 // * x^1

1 = 1*x^1 // : 1

1 = x^1

x = 1

x = 1

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