3/7=49/x

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Solution for 3/7=49/x equation: 


D( x )

x = 0

x = 0

x = 0

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

3/7 = 49/x // - 49/x

3/7-(49/x) = 0

3/7-49*x^-1 = 0

-49*x^-1 = -3/7 // : -49

x^-1 = 3/343

-1 < 0

1/(x^1) = 3/343 // * x^1

1 = 3/343*x^1 // : 3/343

343/3 = x^1

x = 343/3

x = 343/3

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