document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=999769>Question 999769</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In cramers rule and elimination and substitution <BR>\n" );
document.write( " Y=-1 <BR>\n" );
document.write( "Y=-5/2x+4  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #617351 by </B><A HREF=/tutors/aboutme.mpl?userid=solver91311><B>solver91311(24713)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=solver91311><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=solver91311><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=617351\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font face=\"Times New Roman\" size=\"+2\">\r<BR>\n" );
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document.write( "Put the equations in standard form:\r<BR>\n" );
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document.write( "Eq 1:  <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ 0x\ +\ y\ =\ -1\">\r<BR>\n" );
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document.write( "Eq 2:  <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ \frac{5}{2}x\ +\ y\ =\ 4\">\r<BR>\n" );
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document.write( "<b>Cramer's Rule</b>\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ D\ =\ \left| \begin{array}{rr}0 & 1\\\frac{5}{2} & 1\end{array}\right|\ =\ 0*1\ -\ \frac{5}{2}*1\ =\ -\frac{5}{2}\">\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ D_x\ =\ \left| \begin{array}{rr}-1 & 1\\4 & 1\end{array}\right|\ =\ -1*1\ -\ 4*1\ =\ -5\">\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ D_y\ =\ \left| \begin{array}{rr}0 & -1\\\frac{5}{2} & 4\end{array}\right|\ =\ 0*4\ -\ \frac{5}{2}*-1\ =\ \frac{5}{2}\">\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ x\ =\ \frac{D_x}{D}\ =\ \frac{-5}{-\frac{5}{2}}\ =\ 2\">\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ y\ =\ \frac{D_y}{D}\ =\ \frac{\frac{5}{2}}{-\frac{5}{2}}\ =\ -1\">\r<BR>\n" );
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document.write( "<b>Elimination</b>\r<BR>\n" );
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document.write( "Multiply Eq 1 by -1\r<BR>\n" );
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document.write( "Eq 1 X -1:  <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ 0x\ -\ y\ =\ 1\">\r<BR>\n" );
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document.write( "Add the two equations:\r<BR>\n" );
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document.write( "Eq 3:  <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ \frac{5}{2}x\ +\ 0y\ =\ 5\">\r<BR>\n" );
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document.write( "Solve Eq 3 for <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large x\">:  <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large x\ =\ 2\">\r<BR>\n" );
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document.write( "The value of <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large y\"> is discerned by inspection of Eq 1.\r<BR>\n" );
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document.write( "<b>Substitution</b>\r<BR>\n" );
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document.write( "The value of <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large y\"> is discerned by inspection of Eq 1.\r<BR>\n" );
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document.write( "Substitute the value of <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large y\"> into equation 2:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ \frac{5}{2}x\ +\ (-1)\ =\ 4\">\r<BR>\n" );
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document.write( "And solve for <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large x\">\r<BR>\n" );
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document.write( "John<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE e^{i\pi}\ +\ 1\ =\ 0\"><BR>\n" );
document.write( "My calculator said it, I believe it, that settles it\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large \ \\r\"> </SPAN>\n" );
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