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x-((2*x)/2)-(2/3)+7 = 3*x-(4/6) // - 3*x-(4/6)
x-((2*x)/2)-(3*x)-(2/3)+4/6+7 = 0
x-x-3*x-2/3+4/6+7 = 0
7-3*x = 0 // - 7
-3*x = -7 // : -3
x = -7/(-3)
x = 7/3
x = 7/3
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