document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=48492>Question 48492</A>: <I><SPAN STYLE=\"word-break: break-all;\"> solve the system algebraically: x^2+y^2=20  x^2-2y^2=8<BR>\n" );
document.write( "please help me<BR>\n" );
document.write( "thanks a lot<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #32173 by </B><A HREF=/tutors/aboutme.mpl?userid=onespal><B>onespal(2)</B></A><img src=\"/images/stars/iconNewId_16x16.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=onespal><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=32173\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1st, get the value of x by transposing the y to the left side <BR>\n" );
document.write( "x^2=20-y^2   then substitute to the y of the 2nd equation<BR>\n" );
document.write( "20-y^2-2y^2=8  >>>>   -3y^2=-12    <BR>\n" );
document.write( "                      ----   ---    =   y^2= 4 >>  y=2<BR>\n" );
document.write( "                       -3    -3<BR>\n" );
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