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x in (-oo:+oo)
2*x = 1/3+9 // - 1/3+9
2*x-(1/3)-9 = 0
2*x-1/3-9 = 0
2*x-28/3 = 0 // + 28/3
2*x = 28/3 // : 2
x = 28/3/2
x = 14/3
x = 14/3
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