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x in (-oo:+oo)
(-5/6)*x-x+1/2 = (1/4)*(x+1) // - (1/4)*(x+1)
(-5/6)*x-((1/4)*(x+1))-x+1/2 = 0
(-1/4)*(x+1)+(-5/6)*x-x+1/2 = 0
(-5*x)/6-1/4*(x+1)-x+1/2 = 0
(-1/4*2*6*(x+1))/(2*6)+(-5*2*x)/(2*6)+(2*6*(-x))/(2*6)+(1*6)/(2*6) = 0
2*6*(-x)-1/4*2*6*(x+1)-5*2*x+1*6 = 0
6-13*x-12*x-3 = 0
6-25*x-3 = 0
3-25*x = 0
(3-25*x)/(2*6) = 0
(3-25*x)/(2*6) = 0 // * 2*6
3-25*x = 0
3-25*x = 0 // - 3
-25*x = -3 // : -25
x = -3/(-25)
x = 3/25
x = 3/25
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