SOLUTION: What property goes for this equation?: x(y+1)+[1+(-1)]= x(y+1)

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Question 221041: What property goes for this equation?: x(y+1)+[1+(-1)]= x(y+1)
Answer by rapaljer(4671) About Me  (Show Source):
You can put this solution on YOUR website!
By the additive inverse property [1+(-1)] equals zero.
Then by the identity property of addition, x(y+1)+0=x(y+1).
So, actually TWO properties are involved.

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