4/x=3/7

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Solution for 4/x=3/7 equation: 


D( x )

x = 0

x = 0

x = 0

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

4/x = 3/7 // - 3/7

4/x-(3/7) = 0

4/x-3/7 = 0

4*x^-1 = 3/7 // : 4

x^-1 = 3/28

-1 < 0

1/(x^1) = 3/28 // * x^1

1 = 3/28*x^1 // : 3/28

28/3 = x^1

x = 28/3

x = 28/3

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