document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=121547>Question 121547</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Show all your work to receive full credit for this problem. \r<BR>\n" );
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document.write( "Use the Substitution method to solve the system of equations. Give your answer as an ordered pair (x,y). \r<BR>\n" );
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document.write( "x + y = -5 \r<BR>\n" );
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document.write( "x - y = 3 <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 #89210 by </B><A HREF=/tutors/aboutme.mpl?userid=algebrapro18><B>algebrapro18(249)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=algebrapro18><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=89210\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x + y = -5<BR>\n" );
document.write( "x - y = 3<br>\r<BR>\n" );
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document.write( "I would start off by solving equation 2 for x<br>\r<BR>\n" );
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document.write( "x = 3 + y <br>\r<BR>\n" );
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document.write( "now substitute this value into the first equation and solve for y.<br>\r<BR>\n" );
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document.write( "3 + y + y = -5 --> Combine like terms<BR>\n" );
document.write( "3 + 2y = -5 --> Subtract 3 from both sides<BR>\n" );
document.write( "2y = -8 --> divide both sides by 2<BR>\n" );
document.write( "y = -4<br>\r<BR>\n" );
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document.write( "now that we have a y value we can go back and solve for x. <br>\r<BR>\n" );
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document.write( "x = 3 + -4<BR>\n" );
document.write( "x = -1<br>\r<BR>\n" );
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document.write( "the solution is (-1,-4) </SPAN>\n" );
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