3x/x+5+7/x+5

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Solution for 3x/x+5+7/x+5 equation: 


D( x )

x = 0

x = 0

x = 0

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

7/x+(3*x)/x+5+5 = 0

7*x^-1 = -13 // : 7

x^-1 = -13/7

-1 < 0

1/(x^1) = -13/7 // * x^1

1 = -13/7*x^1 // : -13/7

-7/13 = x^1

x = -7/13

x = -7/13

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