来自谭云的问题
已知│2x-y-3│+(2x+y+11)×(2x+y+11)=0,则x=?y=?
已知│2x-y-3│+(2x+y+11)×(2x+y+11)=0,则x=?y=?
1回答
2020-05-14 06:07
已知│2x-y-3│+(2x+y+11)×(2x+y+11)=0,则x=?y=?
已知│2x-y-3│+(2x+y+11)×(2x+y+11)=0,则x=?y=?
根据已知可知:2X-Y-3=0
2X+Y+11=0
解方程得:X=-2,Y=-7