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x in (-oo:+oo)
(1/3)*(x-9) = 3*x-(2*(x-1))+5/3 // - 3*x-(2*(x-1))+5/3
(1/3)*(x-9)+2*(x-1)-(3*x)-(5/3) = 0
(1/3)*(x-9)+2*(x-1)-3*x-5/3 = 0
1/3*(x-9)+2*(x-1)-3*x-5/3 = 0
(1/3*3*(x-9))/3+(2*3*(x-1))/3+(-3*3*x)/3-5/3 = 0
1/3*3*(x-9)+2*3*(x-1)-3*3*x-5 = 0
7*x-9*x-15-5 = 0
-2*x-15-5 = 0
-2*x-20 = 0
(-2*x-20)/3 = 0
(-2*x-20)/3 = 0 // * 3
-2*x-20 = 0
-2*x-20 = 0 // + 20
-2*x = 20 // : -2
x = 20/(-2)
x = -10
x = -10
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