7/x=28/36

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Solution for 7/x=28/36 equation: 


D( x )

x = 0

x = 0

x = 0

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

7/x = 28/36 // - 28/36

7/x-(28/36) = 0

7/x-7/9 = 0

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

x^-1 = 1/9

-1 < 0

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

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

9 = x^1

x = 9

x = 9

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