已知X-3Y等于-3,则5-X+3Y的值是( )

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/01 16:03:18

已知X-3Y等于-3,则5-X+3Y的值是( )
已知X-3Y等于-3,则5-X+3Y的值是( )

已知X-3Y等于-3,则5-X+3Y的值是( )
5-X+3Y
=5-(x-3y)
=5-(-3)
=5+3
=8

8

8

5-x+3Y=5-(x+3Y)=5-(-3)=5+3=8

8

5-X+3Y
=5-(x-3y)
=5-(-3)
=5+3
=8