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X in (-oo:+oo)
((7-(2*X))^1)/2-(((X+5)^1)/2) = ((3*X+4)^1)/2 // - ((3*X+4)^1)/2
((7-(2*X))^1)/2-(((X+5)^1)/2)-(((3*X+4)^1)/2) = 0
(7-2*X)/2-((X+5)/2)-((3*X+4)/2) = 0
(7-2*X)/2+(-1*(X+5))/2+(-1*(3*X+4))/2 = 0
7-1*(X+5)-1*(3*X+4)-2*X = 0
2-3*X-3*X-4 = 0
-6*X-2 = 0
(-6*X-2)/2 = 0
(-6*X-2)/2 = 0 // * 2
-6*X-2 = 0
-6*X-2 = 0 // + 2
-6*X = 2 // : -6
X = 2/(-6)
X = -1/3
X = -1/3
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