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x in (-oo:+oo)
8*x = 16/3 // - 16/3
8*x-(16/3) = 0
8*x-16/3 = 0
8*x-16/3 = 0 // + 16/3
8*x = 16/3 // : 8
x = 16/3/8
x = 2/3
x = 2/3
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