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6*x-(3*x)+6 = 26/3 // - 26/3
6*x-(3*x)-(26/3)+6 = 0
6*x-3*x-26/3+6 = 0
3*x-8/3 = 0 // + 8/3
3*x = 8/3 // : 3
x = 8/3/3
x = 8/9
x = 8/9
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