((z+9)/(5))-((z-9)/(9))-1

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Solution for ((z+9)/(5))-((z-9)/(9))-1 equation: 


z in (-oo:+oo)

(z+9)/5-((z-9)/9)-1 = 0

(z+9)/5+(-1*(z-9))/9-1 = 0

(9*(z+9))/(5*9)+(-1*5*(z-9))/(5*9)+(-1*5*9)/(5*9) = 0

9*(z+9)-1*5*(z-9)-1*5*9 = 0

4*z-45+126 = 0

4*z+81 = 0

(4*z+81)/(5*9) = 0

(4*z+81)/(5*9) = 0 // * 5*9

4*z+81 = 0

4*z+81 = 0 // - 81

4*z = -81 // : 4

z = -81/4

z = -81/4

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