3/x+1-2/x=7

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Solution for 3/x+1-2/x=7 equation: 


D( x )

x = 0

x = 0

x = 0

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

3/x-(2/x)+1 = 7 // - 7

3/x-(2/x)-7+1 = 0

3/x-2*x^-1-7+1 = 0

1*x^-1 = 6 // : 1

x^-1 = 6

-1 < 0

1/(x^1) = 6 // * x^1

1 = 6*x^1 // : 6

1/6 = x^1

x = 1/6

x = 1/6

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