document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=62276>Question 62276</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0072918861/algebrahomeworkh></A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Hello\r<BR>\n" );
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document.write( "how do i solve the system by graphing:\r<BR>\n" );
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document.write( "x + y = 4<BR>\n" );
document.write( "y = 2x + 1\r<BR>\n" );
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document.write( "thank you. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #43011 by </B><A HREF=/tutors/aboutme.mpl?userid=funmath><B>funmath(2933)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=funmath><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=43011\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> how do i solve the system by graphing:\r<BR>\n" );
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document.write( "E1:  x + y = 4<BR>\n" );
document.write( "E2:  y = 2x + 1<BR>\n" );
document.write( "For E1, let x=0 and y=?<BR>\n" );
document.write( "0+y=4<BR>\n" );
document.write( "y=4  Plot (0,4)<BR>\n" );
document.write( "Now let y=0 and x=?<BR>\n" );
document.write( "x+0=4<BR>\n" );
document.write( "x=4  Plot (4,0)<BR>\n" );
document.write( "Connect the points and you have this line:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28300%2C200%2C-10%2C10%2C-10%2C10%2C-x%2B4%29 ALIGN=MIDDLE  ALT=\"graph%28300%2C200%2C-10%2C10%2C-10%2C10%2C-x%2B4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "For E2, let x=0 and y=?<BR>\n" );
document.write( "y=2(0)+1<BR>\n" );
document.write( "y=0+1<BR>\n" );
document.write( "y=1  Plot (0,1)<BR>\n" );
document.write( "Now let x=2 and y=?<BR>\n" );
document.write( "y=2(2)+1<BR>\n" );
document.write( "y=4+1<BR>\n" );
document.write( "y=5  Plot (0,5)<BR>\n" );
document.write( "Connect the points and you have a second line:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28300%2C200%2C-10%2C10%2C-10%2C10%2C-x%2B4%2C2x%2B1%29 ALIGN=MIDDLE  ALT=\"graph%28300%2C200%2C-10%2C10%2C-10%2C10%2C-x%2B4%2C2x%2B1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Their point of intersection is the solution: (x,y)=(1,3)<BR>\n" );
document.write( "Happy Calculating!!!<BR>\n" );
document.write( " </SPAN>\n" );
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