7/(9x)-8/7=-2/x+1

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Solution for 7/(9x)-8/7=-2/x+1 equation: 


D( x )

x = 0

9*x = 0

x = 0

x = 0

9*x = 0

9*x = 0

9*x = 0 // : 9

x = 0

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

7/(9*x)-(8/7) = 1-2/x // - 1-2/x

7/(9*x)-(-2/x)-(8/7)-1 = 0

7/(9*x)+2*x^-1-8/7-1 = 0

25/9*x^-1 = 15/7 // : 25/9

x^-1 = 27/35

-1 < 0

1/(x^1) = 27/35 // * x^1

1 = 27/35*x^1 // : 27/35

35/27 = x^1

x = 35/27

x = 35/27

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