document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=206194>Question 206194</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In 3 years Alex is 3 times older than Kit. A year ago Alex is 7 times older than Kit. How old are they now? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #155738 by </B><A HREF=/tutors/aboutme.mpl?userid=Marth><B>Marth(57)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Marth><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=155738\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> \"In 3 years Alex is 3 times older than Kit.\"<BR>\n" );
document.write( "let x = Kit's age in 3 years<BR>\n" );
document.write( "3x = Alex's age in 3 years<BR>\n" );
document.write( "<br><BR>\n" );
document.write( "\"A year ago Alex is 7 times older than Kit.<BR>\n" );
document.write( "3x-4 = 7(x-4)<BR>\n" );
document.write( "Solve for x.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3x-4=7%28x-4%29 ALIGN=MIDDLE  ALT=\"3x-4=7%28x-4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3x-4=7x-28 ALIGN=MIDDLE  ALT=\"3x-4=7x-28\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=24=4x ALIGN=MIDDLE  ALT=\"24=4x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=6 ALIGN=MIDDLE  ALT=\"x=6\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "So x-3 = 3 is Kit's age now, and 3x-3=15 is Alex's age now </SPAN>\n" );
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