document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=68426>Question 68426</A>: <I><SPAN STYLE=\"word-break: break-all;\"> -x+y=1<BR>\n" );
document.write( "2x+y=-2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #48679 by </B><A HREF=/tutors/aboutme.mpl?userid=rmromero><B>rmromero(383)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rmromero><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=48679\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> -x+y=1<BR>\n" );
document.write( "2x+y=-2\r<BR>\n" );
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document.write( "Here are the Steps Systems of Equation using Substition method<BR>\n" );
document.write( "1. In either equation, solve for one variable in terms of the other.<BR>\n" );
document.write( "<br>--> -x + y = 1 <BR>\n" );
document.write( "        x = y - 1<BR>\n" );
document.write( "<br><br><BR>\n" );
document.write( "2. Substitute y - 1 for for x in the other equation 2x + y = -2. Solve.<BR>\n" );
document.write( "<br>--> 2(y-1) + y = -2<BR>\n" );
document.write( "        2y - 2 + y = -2<BR>\n" );
document.write( "        3y = 0<BR>\n" );
document.write( "        y = 0<BR>\n" );
document.write( "<br><br><BR>\n" );
document.write( "3. Substitute the result from step 2 in either equation. Solve for the other variable.<BR>\n" );
document.write( "<br> --> -x + y = 1, y =0<BR>\n" );
document.write( "         -x + 0 = 1<BR>\n" );
document.write( "         -x = 1<BR>\n" );
document.write( "          x = -1<BR>\n" );
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document.write( "4. Check the solution in both original equations.<BR>\n" );
document.write( "A. -x + y = 1, y=0 , x=-1<BR>\n" );
document.write( "   -(-1) + 0 = 1<BR>\n" );
document.write( "    1 = 1 ------------------->> true<BR>\n" );
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document.write( "B. 2x + y = -2, y =0, x = -1<BR>\n" );
document.write( "   2(-1) + 0 = -2<BR>\n" );
document.write( "   -2 = -2 ------------------>> True\r<BR>\n" );
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document.write( "<br><br><BR>\n" );
document.write( "Therefore the solution of the system of the equation is (-1, 0) </SPAN>\n" );
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