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z in (-oo:+oo)
5*z-(9/6) = (-9*z-6)/5-10/3 // - (-9*z-6)/5-10/3
5*z-((-9*z-6)/5)-(9/6)-(-10/3) = 0
5*z-((-9*z-6)/5)-3/2+10/3 = 0
(-1*(-9*z-6))/5+5*z-3/2+10/3 = 0
(-1*2*3*(-9*z-6))/(2*3*5)+(2*3*5*5*z)/(2*3*5)+(-3*3*5)/(2*3*5)+(2*5*10)/(2*3*5) = 0
2*3*5*5*z-1*2*3*(-9*z-6)-3*3*5+2*5*10 = 0
204*z-45+36+100 = 0
204*z-9+100 = 0
204*z+91 = 0
(204*z+91)/(2*3*5) = 0
(204*z+91)/(2*3*5) = 0 // * 2*3*5
204*z+91 = 0
204*z+91 = 0 // - 91
204*z = -91 // : 204
z = -91/204
z = -91/204
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