document.write( "Question 114727: Use the properties of addition and multiplication to complete the statement.
\n" ); document.write( " 20 + 15 = _____ + 20
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Algebra.Com's Answer #83487 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "\"20+%2B+15+=+_____+%2B+20\"......use the properties of addition \r
\n" ); document.write( "\n" ); document.write( "remember \"Commutative+\"\"property\":
\n" ); document.write( "When two numbers are added, \"the\"\"+sum\"\"+is\"\"+the\"\"+same\" regardless of the \"order\" of the addends. \r
\n" ); document.write( "\n" ); document.write( "For example \"4+%2B+2+=+2+%2B+4+\"\r
\n" ); document.write( "\n" ); document.write( "so, you will have:\r
\n" ); document.write( "\n" ); document.write( "\"20+%2B+15+=+15+%2B+20\"......
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