document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=855406>Question 855406</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Equation for 10 numbers have a mean of eight.<BR>\n" );
document.write( "Next add another number and the mean becomes 9, no guess and check just need an algebra equation for this..thanks </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #515375 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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/cgi-bin/show-face.mpl?user=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=515375\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Equation for 10 numbers have a mean of eight.<BR>\n" );
document.write( "10a = 80<BR>\n" );
document.write( "Next add another number and the mean becomes 9<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2810a%2Bb%29%2F11 ALIGN=MIDDLE  ALT=\"%2810a%2Bb%29%2F11\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 9<BR>\n" );
document.write( "10a + b = 99<BR>\n" );
document.write( "replace 10a with 80<BR>\n" );
document.write( "80 + b = 99<BR>\n" );
document.write( "b = 99-80<BR>\n" );
document.write( "b = 19 is the other number<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );