document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=995995>Question 995995</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1) R3 = 4r2 + r3\r<BR>\n" );
document.write( "\n" );
document.write( "-7 -5 -1 | -10<BR>\n" );
document.write( " 6 -2  9 |  5<BR>\n" );
document.write( " 0 -26 2 | 28\r<BR>\n" );
document.write( "\n" );
document.write( "2) Find the value of the determinant.\r<BR>\n" );
document.write( "\n" );
document.write( "| 6 1 6 |<BR>\n" );
document.write( "| 3 1 1 |<BR>\n" );
document.write( "| 4 2 2 |\r<BR>\n" );
document.write( "\n" );
document.write( "3) Find the value of the determinant.\r<BR>\n" );
document.write( "\n" );
document.write( "| -4 1 -5 |<BR>\n" );
document.write( "| -2 -4-2 |<BR>\n" );
document.write( "| -4 2 -3 |\r<BR>\n" );
document.write( "\n" );
document.write( "4)solve the system of equations using matrices (row operations). If the system has no soluation say that it is inconsistent.\r<BR>\n" );
document.write( "\n" );
document.write( "{5x + 3y = -19<BR>\n" );
document.write( "{2x + 6y = 2\r<BR>\n" );
document.write( "\n" );
document.write( "5)solve the system of equations using matrices (row operations). If the system has no soluation say that it is inconsistent.\r<BR>\n" );
document.write( "\n" );
document.write( "{9x - 4y -z = 13<BR>\n" );
document.write( "{x + 3y -6z = -26<BR>\n" );
document.write( "{8x + y + z = 43 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #614611 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52790)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=614611\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "To solve the problems &nbsp;2)&nbsp; and &nbsp;3)&nbsp; of your list, &nbsp;read the lessons \r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "&nbsp;&nbsp;&nbsp;&nbsp;- <A  rel=nofollow HREF=http://www.algebra.com/algebra/homework/Matrices-and-determiminant/Determinant-of-a-3x3-matrix.lesson>Determinant of a 3x3 matrix</A> \r<BR>\n" );
document.write( "\n" );
document.write( "&nbsp;&nbsp;&nbsp;&nbsp;- <A  rel=nofollow HREF=http://www.algebra.com/algebra/homework/Matrices-and-determiminant/Co-factoring-a-3x3-determinant.lesson>Co-factoring the determinant of a 3x3 matrix</A> \r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "in this site. &nbsp;Then make the calculations yourself.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "We are here not for making calculations instead of you.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "We are here to teach you.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );