document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1080826>Question 1080826</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve the system using matrices.  If there is no solution or if there are infinitely many solutions and system's equations are dependent, so state.<BR>\n" );
document.write( "4x-4y=12 <BR>\n" );
document.write( "7x-7y=21<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 #694903 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20849)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=694903\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4x-4y=12+ ALIGN=MIDDLE  ALT=\"4x-4y=12+\"   DISABLED_style= \"max-width:90%; height:auto;\" >....eq.1..both sides divide by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4 ALIGN=MIDDLE  ALT=\"4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7x-7y=21 ALIGN=MIDDLE  ALT=\"7x-7y=21\"   DISABLED_style= \"max-width:90%; height:auto;\" >...both sides divide by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7 ALIGN=MIDDLE  ALT=\"7\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x-y=3+ ALIGN=MIDDLE  ALT=\"x-y=3+\"   DISABLED_style= \"max-width:90%; height:auto;\" >...eq.1<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x-y=3 ALIGN=MIDDLE  ALT=\"x-y=3\"   DISABLED_style= \"max-width:90%; height:auto;\" >..eq.2<BR>\n" );
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document.write( "eq.1 is same as ..eq.2, so, the two lines are identical (one lies perfectly on top of the other) and intersect at all points of both lines and there are an <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=infinite ALIGN=MIDDLE  ALT=\"infinite\"   DISABLED_style= \"max-width:90%; height:auto;\" > number of solutions and the system is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=dependent ALIGN=MIDDLE  ALT=\"dependent\"   DISABLED_style= \"max-width:90%; height:auto;\" >  </SPAN>\n" );
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