9/13+4/x

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Solution for 9/13+4/x equation: 


D( x )

x = 0

x = 0

x = 0

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

4/x+9/13 = 0

4*x^-1 = -9/13 // : 4

x^-1 = -9/52

-1 < 0

1/(x^1) = -9/52 // * x^1

1 = -9/52*x^1 // : -9/52

-52/9 = x^1

x = -52/9

x = -52/9

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