document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=198515>Question 198515</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve the following system of equations for the positive value of y:<BR>\n" );
document.write( "x = 2y<BR>\n" );
document.write( "x + y^2 = 15  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #149039 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=149039\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solve the following system of equations for the positive value of y:<BR>\n" );
document.write( "x = 2y<BR>\n" );
document.write( "x + y^2 = 15 <BR>\n" );
document.write( "------------------<BR>\n" );
document.write( "Substitue for \"x\" to get:<BR>\n" );
document.write( "2y + y^2 = 15<BR>\n" );
document.write( "y^2 + 2y - 15 = 0<BR>\n" );
document.write( "(y+5)(y-3) = 0<BR>\n" );
document.write( "y = -5 or y = 3<BR>\n" );
document.write( "======================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );