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w in (-oo:+oo)
(w-3)/8-((5-w)/4) = (4*w-1)/8-1 // - (4*w-1)/8-1
(w-3)/8-((5-w)/4)-((4*w-1)/8)+1 = 0
(w-3)/8+(-1*(5-w))/4+(-1*(4*w-1))/8+1 = 0
(4*(w-3))/(4*8)+(-1*8*(5-w))/(4*8)+(-1*4*(4*w-1))/(4*8)+(1*4*8)/(4*8) = 0
4*(w-3)-1*8*(5-w)-1*4*(4*w-1)+1*4*8 = 0
12*w-16*w-52+4+32 = 0
32-4*w-48 = 0
-4*w-16 = 0
(-4*w-16)/(4*8) = 0
(-4*w-16)/(4*8) = 0 // * 4*8
-4*w-16 = 0
-4*w-16 = 0 // + 16
-4*w = 16 // : -4
w = 16/(-4)
w = -4
w = -4
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