3/x+4-7=-4/x+4

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Solution for 3/x+4-7=-4/x+4 equation: 


D( x )

x = 0

x = 0

x = 0

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

3/x-7+4 = 4-4/x // - 4-4/x

3/x-(-4/x)-7-4+4 = 0

3/x+4*x^-1-7-4+4 = 0

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

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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