(3/x+6)+(7/x-2)

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Solution for (3/x+6)+(7/x-2) equation: 


D( x )

x = 0

x = 0

x = 0

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

3/x+7/x-2+6 = 0

10*x^-1 = -4 // : 10

x^-1 = -2/5

-1 < 0

1/(x^1) = -2/5 // * x^1

1 = -2/5*x^1 // : -2/5

-5/2 = x^1

x = -5/2

x = -5/2

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