document.write( "Question 251635: 7x+9y=42
\n" ); document.write( "-9x+y=34
\n" ); document.write( "

Algebra.Com's Answer #183320 by richwmiller(17219)\"\" \"About 
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-9x+y=34
\n" ); document.write( "y=9x+34
\n" ); document.write( "7x+9*(9x+34)=42
\n" ); document.write( "x=-3
\n" ); document.write( "y=9(-3)+34
\n" ); document.write( "y=7
\n" ); document.write( "
\n" );