(x+8x+19)/(x+4)

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Solution for (x+8x+19)/(x+4) equation: 


D( x )

x+4 = 0

x+4 = 0

x+4 = 0

x+4 = 0 // - 4

x = -4

x in (-oo:-4) U (-4:+oo)

(x+8*x+19)/(x+4) = 0

(9*x+19)/(x+4) = 0

9*x+19 = 0 // - 19

9*x = -19 // : 9

x = -19/9

x = -19/9

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