15/x=7/9

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Solution for 15/x=7/9 equation: 


D( x )

x = 0

x = 0

x = 0

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

15/x = 7/9 // - 7/9

15/x-(7/9) = 0

15/x-7/9 = 0

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

x^-1 = 7/135

-1 < 0

1/(x^1) = 7/135 // * x^1

1 = 7/135*x^1 // : 7/135

135/7 = x^1

x = 135/7

x = 135/7

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