问题:
已知满足2x-y=12-5m和x+3y=20-6m的x,y也满足3x+2y=23-2m,则m的值是
[ ]
A.0
B.1
C.2
D.
已知满足2x-y=12-5m和x+3y=20-6m的x,y也满足3x+2y=23-2m,则m的值是
B.1
C.2
D.
[ ]
A.0 B.1
C.2
D.
参考答案: