document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=698435>Question 698435</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I have so much trouble with matrices, I wish I could be better at them. I'm trying to solve the system.\r<BR>\n" );
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document.write( "I have the system:<BR>\n" );
document.write( "{3x + 2y = -6<BR>\n" );
document.write( "{2x - 3y = 61\r<BR>\n" );
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document.write( "I converted the system into a matrix equation:<BR>\n" );
document.write( "|3, 2|<BR>\n" );
document.write( "|2,-3|\r<BR>\n" );
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document.write( "Find the determinate:<BR>\n" );
document.write( "(3*-3)-(2*2)<BR>\n" );
document.write( "-13\r<BR>\n" );
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document.write( "So since I got -13, it would appear as 1/-13. right?<BR>\n" );
document.write( "After getting that, I changed matrix equation into:<BR>\n" );
document.write( "|-3,-2|<BR>\n" );
document.write( "|-2, 3|\r<BR>\n" );
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document.write( "And I'm stuck here. It's probably hard to comprehend what I'm trying to say, but please help me with the rest of the problem. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #430653 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=430653\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I have so much trouble with matrices, I wish I could be better at them. I'm trying to solve the system.\r<BR>\n" );
document.write( "\n" );
document.write( "I have the system:<BR>\n" );
document.write( "{3x + 2y = -6<BR>\n" );
document.write( "{2x - 3y = 61\r<BR>\n" );
document.write( "\n" );
document.write( "I converted the system into a matrix equation:<BR>\n" );
document.write( "|3, 2|<BR>\n" );
document.write( "|2,-3|\r<BR>\n" );
document.write( "\n" );
document.write( "Find the determinate: (determinant)<BR>\n" );
document.write( "(3*-3)-(2*2)<BR>\n" );
document.write( "-13\r<BR>\n" );
document.write( "\n" );
document.write( "So since I got -13, it would appear as 1/-13. right? *** Doesn't matter.<BR>\n" );
document.write( "After getting that, I changed matrix equation into:<BR>\n" );
document.write( "|-3,-2|<BR>\n" );
document.write( "|-2, 3|  **** that's not useful.<BR>\n" );
document.write( "=================================<BR>\n" );
document.write( "Use the augmented matrix.<BR>\n" );
document.write( "|3, 2 6|<BR>\n" );
document.write( "|2,-3 -61|<BR>\n" );
document.write( "------------<BR>\n" );
document.write( "Block the x column<BR>\n" );
document.write( "|+2 6|<BR>\n" );
document.write( "|-3 -61|<BR>\n" );
document.write( "--> 2*-61 + 18 = -104<BR>\n" );
document.write( "x = -104/Det = 8<BR>\n" );
document.write( "===================<BR>\n" );
document.write( "|3, 2 6|<BR>\n" );
document.write( "|2,-3 -61|<BR>\n" );
document.write( "Block the y column<BR>\n" );
document.write( "|3 6|<BR>\n" );
document.write( "|2,- 61|<BR>\n" );
document.write( "--> 3*-61 - 12 = 195<BR>\n" );
document.write( "-y = -195/-13  (not the minus sign)<BR>\n" );
document.write( "y = -15<BR>\n" );
document.write( "===================<BR>\n" );
document.write( "And I'm stuck here. It's probably hard to comprehend what I'm trying to say, but please help me with the rest of the problem. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );