3/x=8/7

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Solution for 3/x=8/7 equation: 


D( x )

x = 0

x = 0

x = 0

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

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

3/x-(8/7) = 0

3/x-8/7 = 0

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

x^-1 = 8/21

-1 < 0

1/(x^1) = 8/21 // * x^1

1 = 8/21*x^1 // : 8/21

21/8 = x^1

x = 21/8

x = 21/8

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