document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=66228>Question 66228</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/093979862x/algebrahomeworkh>An Incremental Development</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Please help to solve\r<BR>\n" );
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document.write( "x^2 + y^2 = 36\r<BR>\n" );
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document.write( "2x^2 - y^2 = -9 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #46944 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley71><B>checkley71(8403)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley71><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=46944\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x^2+y^2=36<BR>\n" );
document.write( "2x^2-y^2=-9 now add these equations<BR>\n" );
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document.write( "3x^2=27<BR>\n" );
document.write( "x^2=27/3<BR>\n" );
document.write( "x^2=9<BR>\n" );
document.write( "x=+-3 substitute +-3 for x & solve for y<BR>\n" );
document.write( "3*3+y^2=36<BR>\n" );
document.write( "9+y^2=36<BR>\n" );
document.write( "y^2=36-9<BR>\n" );
document.write( "y^2=27<BR>\n" );
document.write( "y=+-5.196\r<BR>\n" );
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document.write( " </SPAN>\n" );
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