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x in (-oo:+oo)
x/6 = (2*x+4)/8 // - (2*x+4)/8
x/6-((2*x+4)/8) = 0
(-1*(2*x+4))/8+x/6 = 0
(-1*6*(2*x+4))/(6*8)+(8*x)/(6*8) = 0
8*x-1*6*(2*x+4) = 0
-4*x-24 = 0
(-4*x-24)/(6*8) = 0
(-4*x-24)/(6*8) = 0 // * 6*8
-4*x-24 = 0
-4*x-24 = 0 // + 24
-4*x = 24 // : -4
x = 24/(-4)
x = -6
x = -6
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