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(2*x+4)/3 = x/6-3 // - x/6-3
(2*x+4)/3-(x/6)+3 = 0
(2*x+4)/3-x/6+3 = 0
(6*(2*x+4))/(3*6)+(3*(-x))/(3*6)+(6*3^2)/(3*6) = 0
6*(2*x+4)+3*(-x)+6*3^2 = 0
9*x+24+54 = 0
9*x+78 = 0
(9*x+78)/(3*6) = 0
(9*x+78)/(3*6) = 0 // * 3*6
9*x+78 = 0
9*x+78 = 0 // - 78
9*x = -78 // : 9
x = -78/9
x = -26/3
x = -26/3
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