document.write( "Question 233553: How do I solve for addition x-2y=-1, -x+5y=4 when I don't have numbers for x.
\n" ); document.write( "I tried x-2y=-1 (x=2y+-1) x=-3,\r
\n" ); document.write( "\n" ); document.write( "solve for addition x-2y=-1
\n" ); document.write( " -x+5y=4
\n" ); document.write( "

Algebra.Com's Answer #172386 by Alan3354(69443)\"\" \"About 
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How do I solve for addition x-2y=-1, -x+5y=4 when I don't have numbers for x.
\n" ); document.write( "I tried x-2y=-1 (x=2y+-1) x=-3,
\n" ); document.write( "solve for addition x-2y=-1
\n" ); document.write( "-x+5y=4
\n" ); document.write( "-------------
\n" ); document.write( "I don't know what \"solve for addition\" means, but
\n" ); document.write( "+x-2y=-1
\n" ); document.write( "-x+5y=4
\n" ); document.write( "---------- Add the equations
\n" ); document.write( "3y = 3
\n" ); document.write( "y = 1
\n" ); document.write( "-------
\n" ); document.write( "x-2y = -1
\n" ); document.write( "x-2 = -1
\n" ); document.write( "x = 1
\n" ); document.write( "
\n" ); document.write( "
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