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(1/3)*x-2/3 = 4/3 // - 4/3
(1/3)*x-2/3-(4/3) = 0
(1/3)*x-2/3-4/3 = 0
1/3*x-2 = 0 // + 2
1/3*x = 2 // : 1/3
x = 2/1/3
x = 6
x = 6
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