document.write( "Question 879872: Graph and check to solve the linear system
\n" ); document.write( "3 x + y = 5 -x + y = -7 \n" ); document.write( "

Algebra.Com's Answer #531145 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"3+x+%2B+y+=+5\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"-x+%2B+y+=+-7\"$
\n" ); document.write( " $\"y=x-7\"$
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