document.write( "Question 201663: Find two numbers whose sum is 55 and whose difference is 13. (we will call the numbers xandy) \n" ); document.write( "

Algebra.Com's Answer #151922 by rfer(16322) $\"\"$ $\"About$

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x+y=55
\n" ); document.write( "x-y=13
\n" ); document.write( "x=y+13
\n" ); document.write( "--------------
\n" ); document.write( "y+13+y=55
\n" ); document.write( "2y+13=55
\n" ); document.write( "2y=42
\n" ); document.write( "y=21
\n" ); document.write( "--------------
\n" ); document.write( "x-21=13
\n" ); document.write( "x=34
\n" ); document.write( "--------------
\n" ); document.write( "34-21=13
\n" ); document.write( "34+21=55 \n" ); document.write( "

\n" );