document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=146738>Question 146738</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can you help me solve this Using augmented matrices to solve the following 2 x 2 systems of equations. Show all work.\r<BR>\n" );
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document.write( "1.  3x + 4y = 11<BR>\n" );
document.write( "     x + 3y  = 2\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #107169 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=107169\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 3x + 4y = 11<BR>\n" );
document.write( "x + 3y = 2<BR>\n" );
document.write( "3  4  -11<BR>\n" );
document.write( "1  3   -2<BR>\n" );
document.write( "Find the Determinant.<BR>\n" );
document.write( "3  4 <BR>\n" );
document.write( "1  3<BR>\n" );
document.write( "= 3*3-1*4<BR>\n" );
document.write( "= 5<BR>\n" );
document.write( "Ignore the x column<BR>\n" );
document.write( "4  -11<BR>\n" );
document.write( "3   -2<BR>\n" );
document.write( "= 4*-2-(3*-11)<BR>\n" );
document.write( "= 25<BR>\n" );
document.write( "So x is 25/5<BR>\n" );
document.write( "x = 5<BR>\n" );
document.write( "Ignore the y column<BR>\n" );
document.write( "3  -11<BR>\n" );
document.write( "1   -2<BR>\n" );
document.write( "= -(3*-2-(1*-11))<BR>\n" );
document.write( "= -5<BR>\n" );
document.write( "So y = -1<BR>\n" );
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