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(2*(12*x+3))/3 = 6 // - 6
(2*(12*x+3))/3-6 = 0
(2*(12*x+3))/3+(-6*3)/3 = 0
2*(12*x+3)-6*3 = 0
24*x-12 = 0
(24*x-12)/3 = 0
(24*x-12)/3 = 0 // * 3
24*x-12 = 0
24*x-12 = 0 // + 12
24*x = 12 // : 24
x = 12/24
x = 1/2
x = 1/2
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