4/x=7/x-5

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


D( x )

x = 0

x = 0

x = 0

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

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

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

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

-3*x^-1 = -5 // : -3

x^-1 = 5/3

-1 < 0

1/(x^1) = 5/3 // * x^1

1 = 5/3*x^1 // : 5/3

3/5 = x^1

x = 3/5

x = 3/5

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