3/x=126/42

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Solution for 3/x=126/42 equation: 


D( x )

x = 0

x = 0

x = 0

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

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

3/x-(126/42) = 0

3/x-3 = 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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