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x in (-oo:+oo)
X/2-((1/2)*(2-x)) = 3*(4-(5*x))-(1*x) // - 3*(4-(5*x))-(1*x)
X/2-((1/2)*(2-x))-(3*(4-(5*x)))+1*x = 0
(-1/2)*(2-x)-3*(4-5*x)+X/2+x = 0
X/2-1/2*(2-x)-3*(4-5*x)+x = 0
(-1/2*2*(2-x))/2+(-3*2*(4-5*x))/2+X/2+(2*x)/2 = 0
X-1/2*2*(2-x)-3*2*(4-5*x)+2*x = 0
X+31*x+2*x-26 = 0
X+33*x-26 = 0
(X+33*x-26)/2 = 0
(X+33*x-26)/2 = 0 // * 2
X+33*x-26 = 0
X+33*x-26 = 0 // - X-26
33*x = -(X-26) // : 33
x = (-(X-26))/33
x = (26-X)/33
x = (26-X)/33
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