document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1147928>Question 1147928</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Xavier and Yifei have been married for exactly 37 years. Yifei is four years older than Xavier. The sum of their ages is 120. How old was Yifei when they were married? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #769266 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=769266\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+ ALIGN=MIDDLE  ALT=\"+x+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = Xavier's age when they go married<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+%2B+4+ ALIGN=MIDDLE  ALT=\"+x+%2B+4+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = Yifei's age when they got married<BR>\n" );
document.write( "( this is true because the difference in their ages never changes )<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+%2B+37+ ALIGN=MIDDLE  ALT=\"+x+%2B+37+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = Xavier's age now<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+%2B+4+%2B+37+ ALIGN=MIDDLE  ALT=\"+x+%2B+4+%2B+37+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = Yifei's age now<BR>\n" );
document.write( "------------------------------------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+%2B+37+%2B+x+%2B+41+=+120+ ALIGN=MIDDLE  ALT=\"+x+%2B+37+%2B+x+%2B+41+=+120+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+%2B+78+=+120+ ALIGN=MIDDLE  ALT=\"+x+%2B+78+=+120+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+=+42+ ALIGN=MIDDLE  ALT=\"+x+=+42+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "and<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+%2B+4+=+46+ ALIGN=MIDDLE  ALT=\"+x+%2B+4+=+46+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Yifei was 46 when they were married<BR>\n" );
document.write( " </SPAN>\n" );
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