-6/x-5-8/x+7

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Solution for -6/x-5-8/x+7 equation: 


D( x )

x = 0

x = 0

x = 0

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

7-6/x-(8/x)-5 = 0

7-6/x-8*x^-1-5 = 0

-14*x^-1 = -2 // : -14

x^-1 = 1/7

-1 < 0

1/(x^1) = 1/7 // * x^1

1 = 1/7*x^1 // : 1/7

7 = x^1

x = 7

x = 7

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