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x in (-oo:+oo)
-((1/2)*x)-8/3 = (4/3)*x-((2/3)*((-13/4)*x+1)) // - (4/3)*x-((2/3)*((-13/4)*x+1))
(2/3)*((-13/4)*x+1)-((1/2)*x)-((4/3)*x)-8/3 = 0
(2/3)*((-13/4)*x+1)+(-1/2)*x+(-4/3)*x-8/3 = 0
2/3*(1-13/4*x)-x/2+(-4*x)/3-8/3 = 0
(2/3*2*3*(1-13/4*x))/(2*3)+(3*(-x))/(2*3)+(-4*2*x)/(2*3)+(-8*2)/(2*3) = 0
2/3*2*3*(1-13/4*x)+3*(-x)-4*2*x-8*2 = 0
4-16*x-8*x-16 = 0
4-24*x-16 = 0
-24*x-12 = 0
(-24*x-12)/(2*3) = 0
(-24*x-12)/(2*3) = 0 // * 2*3
-24*x-12 = 0
-24*x-12 = 0 // + 12
-24*x = 12 // : -24
x = 12/(-24)
x = -1/2
x = -1/2
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