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(2/3)*(x-2) = 12 // - 12
(2/3)*(x-2)-12 = 0
2/3*(x-2)-12 = 0
2/3*(x-2)-12 = 0
2/3*x-40/3 = 0
2/3*x-40/3 = 0
2/3*x-40/3 = 0 // + 40/3
2/3*x = 40/3 // : 2/3
x = 40/3/2/3
x = 20
x = 20
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