4/13=8/x

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Solution for 4/13=8/x equation: 


D( x )

x = 0

x = 0

x = 0

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

4/13 = 8/x // - 8/x

4/13-(8/x) = 0

4/13-8*x^-1 = 0

-8*x^-1 = -4/13 // : -8

x^-1 = 1/26

-1 < 0

1/(x^1) = 1/26 // * x^1

1 = 1/26*x^1 // : 1/26

26 = x^1

x = 26

x = 26

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