-7/x-2+1-3x/x

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


D( x )

x = 0

x = 0

x = 0

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

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

1-7/x-3-2 = 0

-7*x^-1 = 4 // : -7

x^-1 = -4/7

-1 < 0

1/(x^1) = -4/7 // * x^1

1 = -4/7*x^1 // : -4/7

-7/4 = x^1

x = -7/4

x = -7/4

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