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x in (-oo:+oo)
(17/6)*x = -17/2 // + -17/2
(17/6)*x-(-17/2) = 0
(17/6)*x+17/2 = 0
17/6*x+17/2 = 0 // - 17/2
17/6*x = -17/2 // : 17/6
x = -17/2/17/6
x = -3
x = -3
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