document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1149940>Question 1149940</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Craig is 4 years older than Colleen. Their total age is 76 years. How old are they? This is a linear equation.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #771267 by </B><A HREF=/tutors/aboutme.mpl?userid=addingup><B>addingup(3677)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=addingup><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=addingup><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=771267\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let Craig be x and Colleen be y.<BR>\n" );
document.write( "x + y = 76 (1)<BR>\n" );
document.write( "and the problem says that Craig is 4 years older than Colleen. Thus:<BR>\n" );
document.write( "x = y + 4 Let's use this value for x in formula 1 above:<BR>\n" );
document.write( "x + y = 76<BR>\n" );
document.write( "y + 4 + y = 76<BR>\n" );
document.write( "2y + 4 - 4 = 76 - 4<BR>\n" );
document.write( "2y = 72<BR>\n" );
document.write( "2y/2 = 72/2<BR>\n" );
document.write( "y = 36 So Craig is 36 and Colleen in 4 years younger, 36 - 4 = 32 </SPAN>\n" );
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