document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=869344>Question 869344</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve the system of equations using matrices and row of operations.<BR>\n" );
document.write( "3x-5y=3<BR>\n" );
document.write( "15x+5y=21 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #532282 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=532282\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 3,-5,3<BR>\n" );
document.write( "15,5,21\r<BR>\n" );
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document.write( "divide row 1 by 3<BR>\n" );
document.write( "1,-5/3,1<BR>\n" );
document.write( "15,5,21\r<BR>\n" );
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document.write( "add  down (-15) *row 1 to row 2<BR>\n" );
document.write( "1,-5/3,1<BR>\n" );
document.write( "0,30,6\r<BR>\n" );
document.write( "\n" );
document.write( "divide row 2 by 30<BR>\n" );
document.write( "1,-5/3,1<BR>\n" );
document.write( "0,1,6/30\r<BR>\n" );
document.write( "\n" );
document.write( "add  (5/3) *row 2 to row 1<BR>\n" );
document.write( "1,0,20/15<BR>\n" );
document.write( "0,1,1/5\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "1,0,4/3 <BR>\n" );
document.write( "0,1,1/5<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );