47/131=31/x

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Solution for 47/131=31/x equation: 


D( x )

x = 0

x = 0

x = 0

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

47/131 = 31/x // - 31/x

47/131-(31/x) = 0

47/131-31*x^-1 = 0

-31*x^-1 = -47/131 // : -31

x^-1 = 47/4061

-1 < 0

1/(x^1) = 47/4061 // * x^1

1 = 47/4061*x^1 // : 47/4061

4061/47 = x^1

x = 4061/47

x = 4061/47

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