document.write( "Question 747820: solve the system of linear equations using the substitution method
\n" ); document.write( "2x-y=8
\n" ); document.write( "-y=-2+8
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Algebra.Com's Answer #455167 by Alan3354(69443)\"\" \"About 
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solve the system of linear equations using the substitution method
\n" ); document.write( "2x-y=8
\n" ); document.write( "-y=-2+8
\n" ); document.write( "=============
\n" ); document.write( "Sub for -y in the 1st equation.
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