document.write( "Question 700646:
\n" ); document.write( "solving linear systems by linear combinations:\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "x-y=0
\n" ); document.write( "-3x+y=2
\n" ); document.write( "

Algebra.Com's Answer #431991 by lisaarrington37(2)\"\" \"About 
You can put this solution on YOUR website!
x=-1 , y=-1 \n" ); document.write( "
\n" );