|2 (x+y) 3 (2x-y)|=2(2x-y)-3(x+y)=x-5y=1000
所以x-5y=1000
x-2(x+y)-【5y-3(x-y)-14】
=2x-10y+14
=2(x-5y)+14
2x1000+14
=2014
满意请采纳,谢谢支持.不懂得可追问
|2 (x+y) 3 (2x-y)|=2(2x-y)-3(x+y)=x-5y=1000
所以x-5y=1000
x-2(x+y)-【5y-3(x-y)-14】
=2x-10y+14
=2(x-5y)+14
2x1000+14
=2014
满意请采纳,谢谢支持.不懂得可追问