`(x+2)/(2008)+(x+3)/2007+(x+4)/2006+(x+2028)/6=0`
`⇔((x+2)/(2008)+1)+((x+3)/2007+1)+((x+4)/2006+1)+((x+2028)/6-3)=0`
`⇔(x+2010)/2008+(x+2010)/2007+(x-2010)/2006+(x+2010)/6=0`
`⇔(x+2010)(1/2008+1/2007+1/2006+1/6)=0`
`⇔x+2010=0`
`⇔x=-2010`
Vật pt có nghiệm `x=-2010`