document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=647552>Question 647552</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve using matrices\r<BR>\n" );
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document.write( "4x+y=12<BR>\n" );
document.write( "3x+2y=2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #406293 by </B><A HREF=/tutors/aboutme.mpl?userid=swincher4391><B>swincher4391(1107)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=swincher4391><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=swincher4391><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=406293\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=matrix%282%2C3%2C4%2C1%2C12%2C3%2C2%2C2%29 ALIGN=MIDDLE  ALT=\"matrix%282%2C3%2C4%2C1%2C12%2C3%2C2%2C2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Subtract R1-R2-> R1 (just means take R1-R2 and replace R1 with the result)\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=matrix%282%2C3%2C1%2C-1%2C10%2C3%2C2%2C2%29 ALIGN=MIDDLE  ALT=\"matrix%282%2C3%2C1%2C-1%2C10%2C3%2C2%2C2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "-3R1 + R2 -> R2\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=matrix%282%2C3%2C1%2C-1%2C10%2C0%2C5%2C-28%29 ALIGN=MIDDLE  ALT=\"matrix%282%2C3%2C1%2C-1%2C10%2C0%2C5%2C-28%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "R2/5 -> R2\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=matrix%282%2C3%2C1%2C-1%2C10%2C0%2C1%2C-28%2F5%29 ALIGN=MIDDLE  ALT=\"matrix%282%2C3%2C1%2C-1%2C10%2C0%2C1%2C-28%2F5%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "R2+R1 -> R1\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=matrix%282%2C3%2C1%2C0%2C22%2F5%2C0%2C1%2C-28%2F5%29 ALIGN=MIDDLE  ALT=\"matrix%282%2C3%2C1%2C0%2C22%2F5%2C0%2C1%2C-28%2F5%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "So <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28x+=+22%2F5%29 ALIGN=MIDDLE  ALT=\"highlight%28x+=+22%2F5%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > ,<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28y+=+-28%2F5%29 ALIGN=MIDDLE  ALT=\"highlight%28y+=+-28%2F5%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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