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As it appears the only thing it illustrates is the identity property ie anything is equal to itself.

If there were brackets: (2 + 8 ) + 7 = 2 + (8 + 7) then that would illustrate the associative property of addition of numbers.

Q: What property does the following example illustrate 2 plus 8 plus 7 equals 2 plus 8 plus 7?

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Commutative Property.

identity property of addition stupid

A*B=B*A is an example of the commutative property of multiplication.

Associative Property of Multiplication

The commutative property.

Related questions

The commutative property

It is the property that equals plus equals are equals.

Commutativity of multiplication.There is also, implicitly, the property that equals plus equals are equal.Commutativity of multiplication.There is also, implicitly, the property that equals plus equals are equal.Commutativity of multiplication.There is also, implicitly, the property that equals plus equals are equal.Commutativity of multiplication.There is also, implicitly, the property that equals plus equals are equal.

A*B=B*A is an example of the commutative property of multiplication.

Commutative Property.

identity property of addition stupid

The commutative property.

Associative Property of Multiplication

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Reflexivity of equality.

Equation

The reflex property is that angle a equals angle a, or a number=the same number.