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x in (-oo:+oo)
(x+3)/4-((x-4)/2) = 3/8 // - 3/8
(x+3)/4-((x-4)/2)-(3/8) = 0
(x+3)/4-((x-4)/2)-3/8 = 0
(x+3)/4+(-1*(x-4))/2-3/8 = 0
(2*8*(x+3))/(2*4*8)+(-1*4*8*(x-4))/(2*4*8)+(-3*2*4)/(2*4*8) = 0
2*8*(x+3)-1*4*8*(x-4)-3*2*4 = 0
176-16*x-24 = 0
152-16*x = 0
(152-16*x)/(2*4*8) = 0
(152-16*x)/(2*4*8) = 0 // * 2*4*8
152-16*x = 0
152-16*x = 0 // - 152
-16*x = -152 // : -16
x = -152/(-16)
x = 19/2
x = 19/2
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