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2*x+8/3 = 4*x-4 // - 4*x-4
2*x-(4*x)+8/3+4 = 0
2*x-4*x+8/3+4 = 0
20/3-2*x = 0 // - 20/3
-2*x = -20/3 // : -2
x = -20/3/(-2)
x = 10/3
x = 10/3
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