126/42=3/x

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Solution for 126/42=3/x equation: 


D( x )

x = 0

x = 0

x = 0

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

126/42 = 3/x // - 3/x

126/42-(3/x) = 0

126/42-3*x^-1 = 0

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

x^-1 = 1

-1 < 0

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

1 = 1*x^1 // : 1

1 = x^1

x = 1

x = 1

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