document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=800452>Question 800452</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find the equation of the circle with center on x+y=4 and 5x+2y+1=0, and whose radius is 3 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #483066 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=483066\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> find the equation of the circle with center on x+y=4 and 5x+2y+1=0, and whose radius is 3<BR>\n" );
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document.write( "x+y=4<BR>\n" );
document.write( "y=4-x<BR>\n" );
document.write( "..<BR>\n" );
document.write( "5x+2y+1=0<BR>\n" );
document.write( "plug in (4-x) for y<BR>\n" );
document.write( "5x+2(4-x)+1=0<BR>\n" );
document.write( "5x+8-2x+1=0<BR>\n" );
document.write( "3x+9=0<BR>\n" );
document.write( "3x=-9<BR>\n" );
document.write( "x=-3<BR>\n" );
document.write( "y=4-x=4-(-3)=7<BR>\n" );
document.write( "(-3,7)(point of intersection for given two lines)=coordinates of center of circle<BR>\n" );
document.write( "Equation of circle: (x+3)^2+(y-7)^2=9<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );