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x in (-oo:+oo)
(1/2)*x = (2/3)*x-8 // - (2/3)*x-8
(1/2)*x-((2/3)*x)+8 = 0
(1/2)*x+(-2/3)*x+8 = 0
8-1/6*x = 0 // - 8
-1/6*x = -8 // : -1/6
x = -8/(-1/6)
x = 48
x = 48
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