4x/x-5=20/x-5+5

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Solution for 4x/x-5=20/x-5+5 equation: 


D( x )

x = 0

x = 0

x = 0

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

(4*x)/x-5 = 20/x-5+5 // - 20/x-5+5

(4*x)/x-(20/x)-5-5+5 = 0

(4*x)/x-20*x^-1-5-5+5 = 0

-20*x^-1 = 1 // : -20

x^-1 = -1/20

-1 < 0

1/(x^1) = -1/20 // * x^1

1 = -1/20*x^1 // : -1/20

-20 = x^1

x = -20

x = -20

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