document.write( "Question 1144450: The sum of 2 numbers is 15 and their difference is 6.
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Algebra.Com's Answer #765578 by josgarithmetic(39620)\"\" \"About 
You can put this solution on YOUR website!
\"system%28x%2By=15%2Cx-y=6%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E2-y%5E2=%28x%2By%29%28x-y%29\"
\n" ); document.write( "\"x%5E2-y%5E2=15%2A6\"
\n" ); document.write( "\"highlight%28x%5E2-y%5E2=90%29\"
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