document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=106500>Question 106500</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0131444417/algebrahomeworkh>intermediate algebra</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> (x+2y=1<BR>\n" );
document.write( "2x-y=-3) solve each system using the substitution or elimination method. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #77512 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley75><B>checkley75(3666)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley75><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=77512\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> X+2Y=1 MULTIPLY THIS EQUATION BY -2 & THEN ADD.<BR>\n" );
document.write( "-2X-4Y=-2 <BR>\n" );
document.write( "2X-Y=-3<BR>\n" );
document.write( "--------------------<BR>\n" );
document.write( "-5Y=-5<BR>\n" );
document.write( "Y=-5/-5<BR>\n" );
document.write( "Y=1 ANSWER.<BR>\n" );
document.write( "NOW SUBSTITUTE 1 FOR Y & SOLVE FOR X<BR>\n" );
document.write( "X+2*1=1<BR>\n" );
document.write( "X+2=1<BR>\n" );
document.write( "X=1-2<BR>\n" );
document.write( "X=-1 ANSWER.<BR>\n" );
document.write( "PROOF<BR>\n" );
document.write( "2*-1-1=-3<BR>\n" );
document.write( "-2-1=-3<BR>\n" );
document.write( "-3=-3 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );