document.write( "Question 1139851: find two numbers whose sum is 21 and the difference is 9 \n" ); document.write( "
Algebra.Com's Answer #760339 by dkppathak(439)\"\" \"About 
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find two numbers whose sum is 21 and the difference is 9
\n" ); document.write( "let two numbers are x and y
\n" ); document.write( "x+y=21
\n" ); document.write( "x-y=9
\n" ); document.write( "by solving both equation
\n" ); document.write( "2x=30
\n" ); document.write( "x=15
\n" ); document.write( "y=6
\n" ); document.write( "both number are 15,6
\n" ); document.write( "
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