Algebra 1

Which property does the equation 4 + x +7 = 4 + 7 + x illustrate?

A. Identity property of addition
B. distributive property
C. Commutative propert of addition
D. Associative property of addition

I think it's D.

Thank You.

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asked by Cassie
  1. I think it is C
    look here right now:
    http://www.coolmath.com/prealgebra/06-properties/01-properties-commutative-addition-01.htm

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    posted by Damon
  2. Thank You.

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    posted by Cassie
  3. You are welcome. Do not forget that site. It explains lots of stuff.

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    posted by Damon

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