document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=638649>Question 638649</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the sum of the present ages of sheila and kristine is 42 years. in 9 years, sheila will be 4 years older than 2 times as old as kristine was 2 years ago. find their present ages. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #402319 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=402319\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the sum of the present ages of sheila and kristine is 42 years. in 9 years, sheila will be 4 years older than 2 times as old as kristine was 2 years ago. find their present ages.<BR>\n" );
document.write( "**<BR>\n" );
document.write( "let x=sheila's present age<BR>\n" );
document.write( "42-x=kristine's present age<BR>\n" );
document.write( "..<BR>\n" );
document.write( "In 9 years:<BR>\n" );
document.write( "x+9=sheila's age<BR>\n" );
document.write( "..<BR>\n" );
document.write( "2 years ago:<BR>\n" );
document.write( "42-x-2=40-x=kristine's age<BR>\n" );
document.write( "..<BR>\n" );
document.write( "x+9=2(40-x)+4<BR>\n" );
document.write( "x+9=80-2x+4<BR>\n" );
document.write( "3x=75<BR>\n" );
document.write( "x=25<BR>\n" );
document.write( "42-x=17<BR>\n" );
document.write( "sheila's present age=25<BR>\n" );
document.write( "kristine's present age=17<BR>\n" );
document.write( "..\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );