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x in (-oo:+oo)
3*x-((1-(2*x))/2) = 5*x // - 5*x
3*x-((1-(2*x))/2)-(5*x) = 0
3*x-((1-2*x)/2)-5*x = 0
(-1*(1-2*x))/2+3*x-5*x = 0
(-1*(1-2*x))/2+(2*3*x)/2+(-5*2*x)/2 = 0
2*3*x-1*(1-2*x)-5*2*x = 0
8*x-10*x-1 = 0
-2*x-1 = 0
(-2*x-1)/2 = 0
(-2*x-1)/2 = 0 // * 2
-2*x-1 = 0
-2*x-1 = 0 // + 1
-2*x = 1 // : -2
x = 1/(-2)
x = -1/2
x = -1/2
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