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x in (-oo:+oo)
-3*x-(1/3) = -82/3 // + -82/3
-3*x-(1/3)-(-82/3) = 0
82/3-3*x-1/3 = 0
27-3*x = 0 // - 27
-3*x = -27 // : -3
x = -27/(-3)
x = 9
x = 9
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