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x in (-oo:+oo)
6*(2*x-(1/2))-(8*(4*x-(1/4))) = x // - x
6*(2*x-(1/2))-(8*(4*x-(1/4)))-x = 0
6*(2*x-1/2)-8*(4*x-1/4)-x = 0
6*(2*x-1/2)-8*(4*x-1/4)-x = 0
-20*x-x-1 = 0
-21*x-1 = 0
-21*x-1 = 0
-21*x-1 = 0 // + 1
-21*x = 1 // : -21
x = 1/(-21)
x = -1/21
x = -1/21
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