document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=39449>Question 39449</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Use Cramer's Rule to solve this equation.\r<BR>\n" );
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document.write( "2x-5y=18<BR>\n" );
document.write( "-x+3y=10 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #24882 by </B><A HREF=/tutors/aboutme.mpl?userid=longjonsilver><B>longjonsilver(2297)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=longjonsilver><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=longjonsilver><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=24882\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> M = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+matrix%282%2C2%2C%0D%0A2%2C-5%2C%0D%0A-1%2C3%0D%0A%29+ ALIGN=MIDDLE  ALT=\"+matrix%282%2C2%2C%0D%0A2%2C-5%2C%0D%0A-1%2C3%0D%0A%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Its determinant, D is:<BR>\n" );
document.write( "D = (2)(3)-(-1)(-5)<BR>\n" );
document.write( "D = 6-5<BR>\n" );
document.write( "D = 1\r<BR>\n" );
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document.write( "Now repeat on<BR>\n" );
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document.write( "Dx = (18)(3)-(10)(-5)<BR>\n" );
document.write( "Dx = 54+50<BR>\n" );
document.write( "Dx = 104\r<BR>\n" );
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document.write( "and also on<BR>\n" );
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document.write( "Dy = (2)(10)-(-1)(18)<BR>\n" );
document.write( "Dy = 20+18<BR>\n" );
document.write( "Dy = 38\r<BR>\n" );
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document.write( "So, x = Dx/D<BR>\n" );
document.write( "--> x = 104/1<BR>\n" );
document.write( "--> x = 104\r<BR>\n" );
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document.write( "So, y = Dy/D<BR>\n" );
document.write( "--> y = 38/1<BR>\n" );
document.write( "--> y = 38\r<BR>\n" );
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document.write( "CHECK:<BR>\n" );
document.write( "2x-5y<BR>\n" );
document.write( "2(104)-5(38)<BR>\n" );
document.write( "208-190<BR>\n" );
document.write( "18... CORRECT\r<BR>\n" );
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document.write( "and -x+3y<BR>\n" );
document.write( "-(104)+3(38)<BR>\n" );
document.write( "-104+114<BR>\n" );
document.write( "10... CORRECT\r<BR>\n" );
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document.write( "jon. </SPAN>\n" );
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