7/x-8=3/x

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Solution for 7/x-8=3/x equation: 


D( x )

x = 0

x = 0

x = 0

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

7/x-8 = 3/x // - 3/x

7/x-(3/x)-8 = 0

7/x-3*x^-1-8 = 0

4*x^-1 = 8 // : 4

x^-1 = 2

-1 < 0

1/(x^1) = 2 // * x^1

1 = 2*x^1 // : 2

1/2 = x^1

x = 1/2

x = 1/2

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