document.write( "Question 344129: Solve the system of equations
\n" ); document.write( "3x + y =1
\n" ); document.write( "-x + 2y = 9
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Algebra.Com's Answer #246229 by Fombitz(32388)\"\" \"About 
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Solve the system of equations
\n" ); document.write( "1.\"3x+%2B+y+=1\"
\n" ); document.write( "2.\"-x+%2B+2y+=+9\"
\n" ); document.write( "Multiply eq. 2 by 3 and add to eq. 1,
\n" ); document.write( "\"3x%2By-3x%2B6y=1%2B27\"
\n" ); document.write( "\"7y=28\"
\n" ); document.write( "\"highlight%28y=4%29\"
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\n" ); document.write( "From eq. 2,
\n" ); document.write( "\"-x%2B8=9\"
\n" ); document.write( "\"-x=1\"
\n" ); document.write( "\"highlight%28x=-1%29\"
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