7/11=-2/x

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Solution for 7/11=-2/x equation: 


D( x )

x = 0

x = 0

x = 0

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

7/11 = -2/x // + -2/x

7/11-(-2/x) = 0

2*x^-1+7/11 = 0

2*x^-1 = -7/11 // : 2

x^-1 = -7/22

-1 < 0

1/(x^1) = -7/22 // * x^1

1 = -7/22*x^1 // : -7/22

-22/7 = x^1

x = -22/7

x = -22/7

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