document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=344807>Question 344807</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The tens digit of a certain number is 7 less than the units digit. The sum of the squares of the two digits is 85. Find the number </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #246764 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=246764\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> y-x=7 y=x+7<BR>\n" );
document.write( "x^2+y^2=85<BR>\n" );
document.write( "x^2+(x+7)^2=85<BR>\n" );
document.write( "x^2+x^2+14x+49-85=0<BR>\n" );
document.write( "2x^2+14x-36=0<BR>\n" );
document.write( "(2x+18)(x-2)=0<BR>\n" );
document.write( "x-2=0<BR>\n" );
document.write( "x=2 <BR>\n" );
document.write( "y=2+7=9 <BR>\n" );
document.write( "92 is the answer.<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( "9^2+2*2=85<BR>\n" );
document.write( "81+4=85<BR>\n" );
document.write( "85=85\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );