(8x+56)/(9x+81)

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Solution for (8x+56)/(9x+81) equation: 


D( x )

9*x+81 = 0

9*x+81 = 0

9*x+81 = 0

9*x+81 = 0 // - 81

9*x = -81 // : 9

x = -81/9

x = -9

x in (-oo:-9) U (-9:+oo)

(8*x+56)/(9*x+81) = 0

8*x+56 = 0 // - 56

8*x = -56 // : 8

x = -56/8

x = -7

x = -7

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