document.write( "Question 412278: I need help on solving systems by elimination:\r
\n" ); document.write( "\n" ); document.write( "Example of a problem:\r
\n" ); document.write( "\n" ); document.write( "x - y = -3
\n" ); document.write( "5x + 3y = 1
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Algebra.Com's Answer #289608 by shree840(260)\"\" \"About 
You can put this solution on YOUR website!
x -y =-3
\n" ); document.write( " 5x +3y=1
\n" ); document.write( "multiply line 1 by 3\r
\n" ); document.write( "\n" ); document.write( " 3x -3y= -9
\n" ); document.write( " 5x +3y= 1\r
\n" ); document.write( "\n" ); document.write( "add 8x+0= -8
\n" ); document.write( " x= -1
\n" ); document.write( " substitute on any line (x,y) at crossing will be same
\n" ); document.write( "-1 -y =-3\r
\n" ); document.write( "\n" ); document.write( "1 +y =3\r
\n" ); document.write( "\n" ); document.write( "y=2
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