4/x+7=19

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Solution for 4/x+7=19 equation: 


D( x )

x = 0

x = 0

x = 0

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

4/x+7 = 19 // - 19

4/x-19+7 = 0

4*x^-1 = 12 // : 4

x^-1 = 3

-1 < 0

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

1 = 3*x^1 // : 3

1/3 = x^1

x = 1/3

x = 1/3

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