5/x=4/x-7

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


D( x )

x = 0

x = 0

x = 0

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

5/x = 4/x-7 // - 4/x-7

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

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

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

x^-1 = -7

-1 < 0

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

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

-1/7 = x^1

x = -1/7

x = -1/7

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