1/x+7/x=-3

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Solution for 1/x+7/x=-3 equation: 


D( x )

x = 0

x = 0

x = 0

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

1/x+7/x = -3 // + 3

1/x+7/x+3 = 0

8*x^-1 = -3 // : 8

x^-1 = -3/8

-1 < 0

1/(x^1) = -3/8 // * x^1

1 = -3/8*x^1 // : -3/8

-8/3 = x^1

x = -8/3

x = -8/3

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