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x in (-oo:+oo)
(3/2)*x-(1/2) = -8 // + 8
(3/2)*x-(1/2)+8 = 0
(3/2)*x-1/2+8 = 0
3/2*x+15/2 = 0 // - 15/2
3/2*x = -15/2 // : 3/2
x = -15/2/3/2
x = -5
x = -5
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