13/22=7/x

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Solution for 13/22=7/x equation: 


D( x )

x = 0

x = 0

x = 0

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

13/22 = 7/x // - 7/x

13/22-(7/x) = 0

13/22-7*x^-1 = 0

-7*x^-1 = -13/22 // : -7

x^-1 = 13/154

-1 < 0

1/(x^1) = 13/154 // * x^1

1 = 13/154*x^1 // : 13/154

154/13 = x^1

x = 154/13

x = 154/13

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