document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1196459>Question 1196459</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve the system by the substitution method.\r<BR>\n" );
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document.write( "X+2y=-2\r<BR>\n" );
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document.write( "Y=-2x-13 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #829298 by </B><A HREF=/tutors/aboutme.mpl?userid=math_tutor2020><B>math_tutor2020(3817)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=math_tutor2020><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=829298\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font color=black size=3><BR>\n" );
document.write( "Another approach:\r<BR>\n" );
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document.write( "Graphing out the two equations shows they intersect at (-8,3) which means x = -8 and y = 3 pair up together to form the single solution.<BR>\n" );
document.write( "<a  rel=nofollow HREF= \"https://www.desmos.com/calculator/o5yrotn6y1\">https://www.desmos.com/calculator/o5yrotn6y1</a>\r<BR>\n" );
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document.write( "To graph x+2y = -2, we can plug in x = 0 to get...<BR>\n" );
document.write( "x+2y = -2<BR>\n" );
document.write( "0+2y = -2<BR>\n" );
document.write( "2y = -2<BR>\n" );
document.write( "y = -2/2<BR>\n" );
document.write( "y = -1<BR>\n" );
document.write( "So the point (0,-1) is on the graph of x+2y = -2\r<BR>\n" );
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document.write( "Repeat for x = 2<BR>\n" );
document.write( "x+2y = -2<BR>\n" );
document.write( "2+2y = -2<BR>\n" );
document.write( "2y = -2-2<BR>\n" );
document.write( "2y = -4<BR>\n" );
document.write( "y = -4/2<BR>\n" );
document.write( "y = -2<BR>\n" );
document.write( "The point (2,-2) is on x+2y = -2\r<BR>\n" );
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document.write( "The straight line x+2y = -2 goes through (0,-1) and (2,-2)\r<BR>\n" );
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document.write( "Follow similar steps to graph out y = -2x-13<BR>\n" );
document.write( "Two points on this line are (0,-13) and (1,-15)<BR>\n" );
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