document.write( "Question 563176: solve each system using the substitution or elimination method\r
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\n" ); document.write( "x+y=3
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Algebra.Com's Answer #364778 by Alan3354(69443)\"\" \"About 
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solve each system using the substitution or elimination method\r
\n" ); document.write( "\n" ); document.write( "x-2y=6
\n" ); document.write( "x+y=3
\n" ); document.write( "------ Subtract
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