Maggie used the commutative property to write 4 fifths plus 6 point 9 y minus 8 as the equivalent expression 6 point 9 y plus 8 minus 4 fifths Did Maggie apply the commutative property correctly? Why or why not?

The original expression can be written as 4/5 + 6.9y + (−8). The commutative property lets you change the order of these terms, but it does not change their signs. In Maggie’s expression, +4/5 became −4/5 and −8 became +8, so some terms changed signs.

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