document.write( "Question 220283: solve by substitution 2x-y=4
\n" ); document.write( " 2x-y=3
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Algebra.Com's Answer #165418 by Alan3354(69443)\"\" \"About 
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solve by substitution
\n" ); document.write( "2x-y=4
\n" ); document.write( "2x-y=3
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\n" ); document.write( "There's no solution. The left side is the same, 2x-y. The right side is 3 and 4. It can't equal both.
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