document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=120848>Question 120848</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 2x+y=7<BR>\n" );
document.write( "2x-2y=-8\r<BR>\n" );
document.write( "\n" );
document.write( "Could someone please help me? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #88641 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley71><B>checkley71(8403)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley71><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=88641\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2x+y=7<BR>\n" );
document.write( "2x-2y=-8 now  subtract these equations<BR>\n" );
document.write( "-------------------------------<BR>\n" );
document.write( "3y=15<BR>\n" );
document.write( "y=15/3<BR>\n" );
document.write( "y=5 answer<BR>\n" );
document.write( "2x+5=7<BR>\n" );
document.write( "2x=7-5<BR>\n" );
document.write( "2x=2<BR>\n" );
document.write( "x=2/2<BR>\n" );
document.write( "x=1 answer.<BR>\n" );
document.write( "proof<BR>\n" );
document.write( "2*1-2*5=-8<BR>\n" );
document.write( "2-10=-8<BR>\n" );
document.write( "-8=-8<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+y+=+-2x+%2B7%2C+y+=+x+%2B4%29+ ALIGN=MIDDLE  ALT=\"+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+y+=+-2x+%2B7%2C+y+=+x+%2B4%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, of TWO functions y = -2x +7 and y = x +4).  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );