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x in (-oo:+oo)
(1/2)*(6-(4*x)) = 0
(1/2)*(6-4*x) = 0
1/2*(6-4*x) = 0
( 1/2 )
1/2 = 0
x belongs to the empty set
( 6-4*x )
6-4*x = 0 // - 6
-4*x = -6 // : -4
x = -6/(-4)
x = 3/2
x = 3/2
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