document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=807805>Question 807805</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am trying to help my daughter with her Algebra and it has been a very long time since I have done any of this.  \r<BR>\n" );
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document.write( "She needs to solve the system of equations by graphing:\r<BR>\n" );
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document.write( "y=-x-3y<BR>\n" );
document.write( "y=x+1\r<BR>\n" );
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document.write( "Thank you for your help. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #486612 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=486612\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> solve the system of equations by graphing:<BR>\n" );
document.write( "Assume you mean<BR>\n" );
document.write( "y= -x - 3<BR>\n" );
document.write( "y = x + 1<BR>\n" );
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document.write( "Find a set of x/y pairs for the 1st equation: y = -x - 3 <BR>\n" );
document.write( "For example on the first eq: when x = 2: y = -2 -3; = -5<BR>\n" );
document.write( "Do the same for each value of x<BR>\n" );
document.write( "A table<BR>\n" );
document.write( " x | y<BR>\n" );
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document.write( "-4 | +1<BR>\n" );
document.write( "-3 | 0<BR>\n" );
document.write( "-2 | -1<BR>\n" );
document.write( " 0 | -3<BR>\n" );
document.write( "+2 | -5<BR>\n" );
document.write( "Make table for the 2nd equation y = x + 1<BR>\n" );
document.write( " x | y<BR>\n" );
document.write( "-------<BR>\n" );
document.write( "-4 |-3<BR>\n" );
document.write( "-3 |-2<BR>\n" );
document.write( "-2 |-1<BR>\n" );
document.write( " 0 |+1<BR>\n" );
document.write( "+2 |+3<BR>\n" );
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document.write( "Plot these using at least two points from the table on the same graph<BR>\n" );
document.write( "should look like this<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+graph%28+300%2C+300%2C+-6%2C+5%2C+-5%2C+5%2C+-x-3%2Cx%2B1%29+ ALIGN=MIDDLE  ALT=\"+graph%28+300%2C+300%2C+-6%2C+5%2C+-5%2C+5%2C+-x-3%2Cx%2B1%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "The solution is where the two graphs intersect where<BR>\n" );
document.write( "x=-2, y= -1, you  can see this on the tables too </SPAN>\n" );
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