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x in (-oo:+oo)
x/8 = 12/9 // - 12/9
x/8-(12/9) = 0
x/8-4/3 = 0
1/8*x-4/3 = 0 // + 4/3
1/8*x = 4/3 // : 1/8
x = 4/3/1/8
x = 32/3
x = 32/3
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