document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=111583>Question 111583</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The problem is- Solve the system by using matrix elimination: <BR>\n" );
document.write( "3a-2b=5<BR>\n" );
document.write( "2a+7b=9\r<BR>\n" );
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document.write( "I know that its suppose to end up looking like this: <BR>\n" );
document.write( "1  0   a<BR>\n" );
document.write( "0  1   b<BR>\n" );
document.write( "but I dont know how to solve this because of the 3a and the 2a. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #81374 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=81374\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Write the coefficients and the right side constants in an augmented matrix:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28matrix%282%2C3%2C3%2C-2%2C5%2C2%2C7%2C9%29%29 ALIGN=MIDDLE  ALT=\"%28matrix%282%2C3%2C3%2C-2%2C5%2C2%2C7%2C9%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Multiply Row 1 by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F3 ALIGN=MIDDLE  ALT=\"1%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" > to make the pivot 1:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28matrix%282%2C3%2C1%2C-2%2F3%2C5%2F3%2C2%2C7%2C9%29%29 ALIGN=MIDDLE  ALT=\"%28matrix%282%2C3%2C1%2C-2%2F3%2C5%2F3%2C2%2C7%2C9%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " Add  -2*Row 1 to Row 2 to get the new Row 2\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28matrix%282%2C3%2C1%2C-2%2F3%2C5%2F3%2C0%2C25%2F3%2C17%2F3%29%29 ALIGN=MIDDLE  ALT=\"%28matrix%282%2C3%2C1%2C-2%2F3%2C5%2F3%2C0%2C25%2F3%2C17%2F3%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Multiply Row 2 by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%2F25 ALIGN=MIDDLE  ALT=\"3%2F25\"   DISABLED_style= \"max-width:90%; height:auto;\" > to make the pivot 1:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28matrix%282%2C3%2C1%2C-2%2F3%2C5%2F3%2C0%2C1%2C17%2F25%29%29 ALIGN=MIDDLE  ALT=\"%28matrix%282%2C3%2C1%2C-2%2F3%2C5%2F3%2C0%2C1%2C17%2F25%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Add 2/3*Row 2 to Row 1 to get the new row 1\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28matrix%282%2C3%2C1%2C0%2C53%2F25%2C0%2C1%2C17%2F25%29%29 ALIGN=MIDDLE  ALT=\"%28matrix%282%2C3%2C1%2C0%2C53%2F25%2C0%2C1%2C17%2F25%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "The matrix is now in <font size=4><b>reduced row echelon form</b></font>\r<BR>\n" );
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document.write( "If you need more help with row reduction, check out the <a  rel=nofollow HREF=\"http://www.math.odu.edu/~bogacki/lat/\">Linear Algebra Toolkit</a><BR>\n" );
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