4/7=52/x

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Solution for 4/7=52/x equation: 


D( x )

x = 0

x = 0

x = 0

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

4/7 = 52/x // - 52/x

4/7-(52/x) = 0

4/7-52*x^-1 = 0

-52*x^-1 = -4/7 // : -52

x^-1 = 1/91

-1 < 0

1/(x^1) = 1/91 // * x^1

1 = 1/91*x^1 // : 1/91

91 = x^1

x = 91

x = 91

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