document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=661567>Question 661567</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how do you solve this.. x+2y=5  solve each system of equation<BR>\n" );
document.write( "                        x-y=-1 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #411677 by </B><A HREF=/tutors/aboutme.mpl?userid=ReadingBoosters><B>ReadingBoosters(3246)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ReadingBoosters><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=411677\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x + 2y = 5<BR>\n" );
document.write( "x - y = -1<BR>\n" );
document.write( "Subtract the equations<BR>\n" );
document.write( "x - x + 2y - -y = 5 - -1<BR>\n" );
document.write( "3y = 6<BR>\n" );
document.write( "3y/3 = 6/3<BR>\n" );
document.write( "y = 2<BR>\n" );
document.write( "Multiply second eqution by 2<BR>\n" );
document.write( "2(x-y=-1)<BR>\n" );
document.write( "2x-2y=-2<BR>\n" );
document.write( "Add to the first equation<BR>\n" );
document.write( "x +2x +2y + -2y = 5 + -2<BR>\n" );
document.write( "3x = 3<BR>\n" );
document.write( "3x/3=3/3<BR>\n" );
document.write( "x=1<BR>\n" );
document.write( "Therefore,<BR>\n" );
document.write( "x=1, y = 2<BR>\n" );
document.write( "Proof<BR>\n" );
document.write( "1 + 2(2) = 5<BR>\n" );
document.write( "1-2=-1 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );