已知X-3Y等于-3,则5-X+3Y的值是( )

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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=8885

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