document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1043288>Question 1043288</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve each equation by either substitution or addition method.<BR>\n" );
document.write( " 	x2 + 4y2 = 20 <BR>\n" );
document.write( "x + 2y = 6<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #658423 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=658423\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solve each equation by either substitution or addition method.<BR>\n" );
document.write( "x^2 + 4y^2 = 20 <BR>\n" );
document.write( "x + 2y = 6<BR>\n" );
document.write( "-----------<BR>\n" );
document.write( "x = 6-2y<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "Substitute for \"x\" and solve for \"y\"::<BR>\n" );
document.write( "(6-2y)^2 + 4y^2 = 20<BR>\n" );
document.write( "--------<BR>\n" );
document.write( "36 - 24y + 4y^2 + 4y^2 = 20<BR>\n" );
document.write( "--------<BR>\n" );
document.write( "8y^2 - 24y +16 = 0<BR>\n" );
document.write( "--------<BR>\n" );
document.write( "y^2 - 3y + 2 = 0<BR>\n" );
document.write( "--------<BR>\n" );
document.write( "(y-1)(y-2) = 0<BR>\n" );
document.write( "-------<BR>\n" );
document.write( "Solve for \"x\"<BR>\n" );
document.write( "If y = 1, x = 6-2y = 4<BR>\n" );
document.write( "If y = 2, x = 6-2y = 2<BR>\n" );
document.write( "----------------------------<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "----------------------<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );