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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-32/3 = 0
2/3*x-32/3 = 0
2/3*x-32/3 = 0 // + 32/3
2/3*x = 32/3 // : 2/3
x = 32/3/2/3
x = 16
x = 16
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