38/7=31/x

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Solution for 38/7=31/x equation: 


D( x )

x = 0

x = 0

x = 0

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

38/7 = 31/x // - 31/x

38/7-(31/x) = 0

38/7-31*x^-1 = 0

-31*x^-1 = -38/7 // : -31

x^-1 = 38/217

-1 < 0

1/(x^1) = 38/217 // * x^1

1 = 38/217*x^1 // : 38/217

217/38 = x^1

x = 217/38

x = 217/38

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