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X in (-oo:+oo)
(3/2)*X+8 = 26-X // - 26-X
(3/2)*X+X-26+8 = 0
5/2*X-18 = 0 // + 18
5/2*X = 18 // : 5/2
X = 18/5/2
X = 36/5
X = 36/5
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