13/x=39/12

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Solution for 13/x=39/12 equation: 


D( x )

x = 0

x = 0

x = 0

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

13/x = 39/12 // - 39/12

13/x-(39/12) = 0

13/x-13/4 = 0

13*x^-1 = 13/4 // : 13

x^-1 = 1/4

-1 < 0

1/(x^1) = 1/4 // * x^1

1 = 1/4*x^1 // : 1/4

4 = x^1

x = 4

x = 4

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