document.write( "Question 310340: two numbers have a total of 56 and a differance of 18 what are the numbers \n" ); document.write( "

Algebra.Com's Answer #221897 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"x+%2B+y+=+56\"$
\n" ); document.write( " $\"x+-+y+=+18\"$
\n" ); document.write( "Add these 2 equations
\n" ); document.write( " $\"2x+=+74\"$
\n" ); document.write( " $\"x+=+37\"$
\n" ); document.write( "Use substitution:
\n" ); document.write( " $\"37+%2B+y+=+56\"$
\n" ); document.write( " $\"y+=+56+-+37\"$
\n" ); document.write( " $\"y+=+19\"$
\n" ); document.write( "-----------
\n" ); document.write( "check answers:
\n" ); document.write( " $\"37+%2B+19++=+56\"$
\n" ); document.write( " $\"56+=+56\"$
\n" ); document.write( "OK
\n" ); document.write( " $\"37+-+19+=+18\"$
\n" ); document.write( " $\"18+=+18\"$
\n" ); document.write( "OK \n" ); document.write( "

\n" );