document.write( "Question 363340: what properties are used in the following questions:\r
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document.write( "1. 3+[a+(-a)]=3+0
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document.write( "2. 3+[a+0]=3+a \n" );
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Algebra.Com's Answer #259039 by robertb(5830) You can put this solution on YOUR website! 1. additive inverse property, \n" ); document.write( "2. additive identity property. \n" ); document.write( " |