document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=929890>Question 929890</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do I solve this system of equations?\r<BR>\n" );
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document.write( "x+y+4z = 10<BR>\n" );
document.write( "x+y+2z = 4<BR>\n" );
document.write( "x-4y-8z=-36\r<BR>\n" );
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document.write( "Im a little lost because i am not sure what equations to start of with or if the system has infinite solutions. Can someone please help?\r<BR>\n" );
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document.write( "thank you\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 #564559 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=564559\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Use Cramer's rule.<BR>\n" );
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document.write( "Since the determinant is not zero, there is a unique solution.<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A%5Bz%5D=%28matrix%283%2C3%2C%0D%0A1%2C1%2C10%2C%0D%0A1%2C1%2C4%2C%0D%0A1%2C-4%2C36%29%29 ALIGN=MIDDLE  ALT=\"A%5Bz%5D=%28matrix%283%2C3%2C%0D%0A1%2C1%2C10%2C%0D%0A1%2C1%2C4%2C%0D%0A1%2C-4%2C36%29%29\"   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=y=%28-20%29%2F%28-10%29=2 ALIGN=MIDDLE  ALT=\"y=%28-20%29%2F%28-10%29=2\"   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=z=abs%28A%5Bz%5D%29%2Fabs%28A%29=%28-30%29%2F%28-10%29=3 ALIGN=MIDDLE  ALT=\"z=abs%28A%5Bz%5D%29%2Fabs%28A%29=%28-30%29%2F%28-10%29=3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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