-(3/x+3)=-7

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Solution for -(3/x+3)=-7 equation: 


D( x )

x = 0

x = 0

x = 0

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

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

7-(3/x)-3 = 0

7-3*x^-1-3 = 0

-3*x^-1 = -4 // : -3

x^-1 = 4/3

-1 < 0

1/(x^1) = 4/3 // * x^1

1 = 4/3*x^1 // : 4/3

3/4 = x^1

x = 3/4

x = 3/4

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