先解方程:2x+3y=4k-1,(1)
3x+2y=k+1 (2)
(1)*3-(2)*2得:5Y=12K-3-2K-2=10K-5,Y=2K-1,代入(2)
得:3X+4K-2=K+1,3X=3-3K,X=1-K.
令X>Y,则:1-K>2K-1,3K
先解方程:2x+3y=4k-1,(1)
3x+2y=k+1 (2)
(1)*3-(2)*2得:5Y=12K-3-2K-2=10K-5,Y=2K-1,代入(2)
得:3X+4K-2=K+1,3X=3-3K,X=1-K.
令X>Y,则:1-K>2K-1,3K