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