7/x-7=3/x

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Solution for 7/x-7=3/x equation: 


D( x )

x = 0

x = 0

x = 0

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

7/x-7 = 3/x // - 3/x

7/x-(3/x)-7 = 0

7/x-3*x^-1-7 = 0

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

x^-1 = 7/4

-1 < 0

1/(x^1) = 7/4 // * x^1

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

4/7 = x^1

x = 4/7

x = 4/7

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