document.write( "Question 274116: x-2y=-1 and -x+5y=4 \n" ); document.write( "
Algebra.Com's Answer #200100 by richwmiller(17219)\"\" \"About 
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x-2y=-1
\n" ); document.write( "-x+5y=4
\n" ); document.write( "add
\n" ); document.write( "3y=3
\n" ); document.write( "y=1
\n" ); document.write( "-x+5=4
\n" ); document.write( "x=1
\n" ); document.write( "checks
\n" ); document.write( "1-2=-1
\n" ); document.write( "-1=-1
\n" ); document.write( "ok
\n" ); document.write( "-1+5=4
\n" ); document.write( "4=4
\n" ); document.write( " \n" ); document.write( "
\n" );