15/x=90/7

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Solution for 15/x=90/7 equation: 


D( x )

x = 0

x = 0

x = 0

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

15/x = 90/7 // - 90/7

15/x-(90/7) = 0

15/x-90/7 = 0

15*x^-1 = 90/7 // : 15

x^-1 = 6/7

-1 < 0

1/(x^1) = 6/7 // * x^1

1 = 6/7*x^1 // : 6/7

7/6 = x^1

x = 7/6

x = 7/6

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