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x in (-oo:+oo)
(1/2)*x+2 = (4*x+1)/4 // - (4*x+1)/4
(1/2)*x-((4*x+1)/4)+2 = 0
(-1*(4*x+1))/4+x/2+2 = 0
(-1*2*(4*x+1))/(2*4)+(4*x)/(2*4)+(4*2^2)/(2*4) = 0
4*x-1*2*(4*x+1)+4*2^2 = 0
16-4*x-2 = 0
14-4*x = 0
(14-4*x)/(2*4) = 0
(14-4*x)/(2*4) = 0 // * 2*4
14-4*x = 0
14-4*x = 0 // - 14
-4*x = -14 // : -4
x = -14/(-4)
x = 7/2
x = 7/2
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