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