5/x+7/4=-9/x

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Solution for 5/x+7/4=-9/x equation: 


D( x )

x = 0

x = 0

x = 0

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

5/x+7/4 = -9/x // + -9/x

5/x-(-9/x)+7/4 = 0

5/x+9*x^-1+7/4 = 0

14*x^-1 = -7/4 // : 14

x^-1 = -1/8

-1 < 0

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

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

-8 = x^1

x = -8

x = -8

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