(3/x+1)=(4/x+2)

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Solution for (3/x+1)=(4/x+2) equation: 


D( x )

x = 0

x = 0

x = 0

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

3/x+1 = 4/x+2 // - 4/x+2

3/x-(4/x)-2+1 = 0

3/x-4*x^-1-2+1 = 0

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

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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