2/7/x=4/9

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Solution for 2/7/x=4/9 equation: 


D( x )

x = 0

x = 0

x = 0

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

(2/7)/x = 4/9 // - 4/9

(2/7)/x-(4/9) = 0

(2/7)/x-4/9 = 0

2/7*x^-1 = 4/9 // : 2/7

x^-1 = 14/9

-1 < 0

1/(x^1) = 14/9 // * x^1

1 = 14/9*x^1 // : 14/9

9/14 = x^1

x = 9/14

x = 9/14

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