document.write( "Question 785627: Solve the system by the substitution method.\r
\n" ); document.write( "\n" ); document.write( "2x-y=-8
\n" ); document.write( "x+2y=11
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Algebra.Com's Answer #477636 by Alan3354(69443)\"\" \"About 
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Solve the system by the substitution method.\r
\n" ); document.write( "\n" ); document.write( "2x-y=-8 --> y = 2x + 8
\n" ); document.write( "x+2y=11
\n" ); document.write( "-------
\n" ); document.write( "Sub for y in the 2nd equation.
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