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What property is shown by the equation

What property is shown by the equation-example-1
User Jondykeman
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the first one is commutative  the second one is associative and the third and fourth ones are c.
User James Chang
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distributive is a(b+c)=ab+ac
and remember -(b+c)=-1(b+c)

commutative is a+b=b+a

associative is
a+(b+c)=(a+b)+c


1.
moved numbers in paretnasees
commutatuve A

2. moved arenthasees
associative, B

3. distributive, isn't listed so I assume 'oposite of a sum property'
C

4. swtiched order
commutve A



1. A
2. B
3. C
4. A
User Akoprowski
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8.4k points

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