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(6*(x-2))/4 = (3*(x+8))/12 // - (3*(x+8))/12
(6*(x-2))/4-((3*(x+8))/12) = 0
(6*(x-2))/4+(-1/4)*(x+8) = 0
(6*(x-2))/4-1/4*(x+8) = 0
(6*(x-2))/4+(-1/4*4*(x+8))/4 = 0
6*(x-2)-1/4*4*(x+8) = 0
5*x-20 = 0
(5*x-20)/4 = 0
(5*x-20)/4 = 0 // * 4
5*x-20 = 0
5*x-20 = 0 // + 20
5*x = 20 // : 5
x = 20/5
x = 4
x = 4
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