document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=40766>Question 40766</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0918091810/algebrahomeworkh>Intermediate Algebra</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> 2x+y=0 <BR>\n" );
document.write( "x-2y=-10<BR>\n" );
document.write( "Solve using the addition or substitution method </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #26167 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=26167\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1st) 2x+y=0 <BR>\n" );
document.write( "2nd) x-2y=-10\r<BR>\n" );
document.write( "\n" );
document.write( "Multiply the 1st by 2 to get:<BR>\n" );
document.write( "4x+2y=0<BR>\n" );
document.write( "Add that to the 2nd to get:<BR>\n" );
document.write( " 5x=-10<BR>\n" );
document.write( " x=-2<BR>\n" );
document.write( "Substitute that into 1st or 2nd to solve for Y, as follows:<BR>\n" );
document.write( "2(-2)+y=0<BR>\n" );
document.write( "y=4<BR>\n" );
document.write( "Check the answer in the 2nd: -2-2(4)=-10<BR>\n" );
document.write( "It checks.<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );