(12/x-7)+2=(6/x-7)

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Solution for (12/x-7)+2=(6/x-7) equation: 


D( x )

x = 0

x = 0

x = 0

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

12/x-7+2 = 6/x-7 // - 6/x-7

12/x-(6/x)-7+2+7 = 0

12/x-6*x^-1-7+2+7 = 0

6*x^-1 = -2 // : 6

x^-1 = -1/3

-1 < 0

1/(x^1) = -1/3 // * x^1

1 = -1/3*x^1 // : -1/3

-3 = x^1

x = -3

x = -3

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