document.write( "Question 317500: Solve each system by the substitution method\r
\n" ); document.write( "\n" ); document.write( "x + 3y = 2\r
\n" ); document.write( "\n" ); document.write( "-x + y = 1
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Algebra.Com's Answer #227370 by Fombitz(32388)\"\" \"About 
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1.\"x+%2B+3y+=+2\"
\n" ); document.write( "2.\"-x+%2B+y+=+1\"
\n" ); document.write( "From eq. 2,
\n" ); document.write( "\"y=x%2B1\"
\n" ); document.write( "Substitute into eq. 1,
\n" ); document.write( "\"x%2B3%28x%2B1%29=2\"
\n" ); document.write( "\"x%2B3x%2B3=2\"
\n" ); document.write( "\"4x=-1\"
\n" ); document.write( "\"highlight%28x=-1%2F4%29\"
\n" ); document.write( "THen from eq. 2,
\n" ); document.write( "\"y=-1%2F4%2B1\"
\n" ); document.write( "\"highlight%28y=3%2F4%29\"
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