document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=153909>Question 153909</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve matrix equation for x: 3x+A=B\r<BR>\n" );
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document.write( "Help, don't understand how to do this one.  Can anyone show me step by step how to do this? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #113314 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=113314\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> It's easier to show if you have some matrices but I'll make them up here for example.<BR>\n" );
document.write( "Let <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A=%28matrix%282%2C2%2C2%2C1%2C0%2C1%29%29 ALIGN=MIDDLE  ALT=\"A=%28matrix%282%2C2%2C2%2C1%2C0%2C1%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=B=%28matrix%282%2C2%2C5%2C9%2C3%2C4%29%29 ALIGN=MIDDLE  ALT=\"B=%28matrix%282%2C2%2C5%2C9%2C3%2C4%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=%28matrix%282%2C2%2Cx%5B1%5D%2Cx%5B2%5D%2Cx%5B3%5D%2Cx%5B4%5D%29%29 ALIGN=MIDDLE  ALT=\"x=%28matrix%282%2C2%2Cx%5B1%5D%2Cx%5B2%5D%2Cx%5B3%5D%2Cx%5B4%5D%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "From that, then<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3x=%28matrix%282%2C2%2C3x%5B1%5D%2C3x%5B2%5D%2C3x%5B3%5D%2C3x%5B4%5D%29%29 ALIGN=MIDDLE  ALT=\"3x=%28matrix%282%2C2%2C3x%5B1%5D%2C3x%5B2%5D%2C3x%5B3%5D%2C3x%5B4%5D%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3x%2BA=%28matrix%282%2C2%2C3x%5B1%5D%2B2%2C3x%5B2%5D%2B1%2C3x%5B3%5D%2C3x%5B4%5D%2B1%29%29=%28matrix%282%2C2%2C5%2C9%2C3%2C4%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Solve each matrix element equation for <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5Bi%5D ALIGN=MIDDLE  ALT=\"x%5Bi%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" >,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3x%5B1%5D%2B2=5 ALIGN=MIDDLE  ALT=\"3x%5B1%5D%2B2=5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3x%5B1%5D=3 ALIGN=MIDDLE  ALT=\"3x%5B1%5D=3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5B1%5D=1 ALIGN=MIDDLE  ALT=\"x%5B1%5D=1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3x%5B2%5D%2B1=9 ALIGN=MIDDLE  ALT=\"3x%5B2%5D%2B1=9\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3x%5B2%5D=8 ALIGN=MIDDLE  ALT=\"3x%5B2%5D=8\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5B2%5D=8%2F3 ALIGN=MIDDLE  ALT=\"x%5B2%5D=8%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".<BR>\n" );
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document.write( ".<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3x%5B3%5D=3 ALIGN=MIDDLE  ALT=\"3x%5B3%5D=3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5B3%5D=1 ALIGN=MIDDLE  ALT=\"x%5B3%5D=1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3x%5B4%5D%2B1=4 ALIGN=MIDDLE  ALT=\"3x%5B4%5D%2B1=4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3x%5B4%5D=3 ALIGN=MIDDLE  ALT=\"3x%5B4%5D=3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5B4%5D=1 ALIGN=MIDDLE  ALT=\"x%5B4%5D=1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Plugging in all the values,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=%28matrix%282%2C2%2C1%2C8%2F3%2C1%2C1%29%29 ALIGN=MIDDLE  ALT=\"x=%28matrix%282%2C2%2C1%2C8%2F3%2C1%2C1%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );