document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=570843>Question 570843</A>: <I><SPAN STYLE=\"word-break: break-all;\"> use guess and check.\r<BR>\n" );
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document.write( "Seven years ago, John was twice as old as bill. Seven years from now the sum of their age will be 61. 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 #367799 by </B><A HREF=/tutors/aboutme.mpl?userid=JBarnum><B>JBarnum(2146)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=JBarnum><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=JBarnum><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=367799\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> why use guess n check? that will take longer<BR>\n" );
document.write( "John(j) and Bill(b)<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=j-7=2%28b-7%29 ALIGN=MIDDLE  ALT=\"j-7=2%28b-7%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28j%2B7%29%2B%28b%2B7%29=61 ALIGN=MIDDLE  ALT=\"%28j%2B7%29%2B%28b%2B7%29=61\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=j=2b-7 ALIGN=MIDDLE  ALT=\"j=2b-7\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28%282b-7%29%2B7%29%2B%28b%2B7%29=61 ALIGN=MIDDLE  ALT=\"%28%282b-7%29%2B7%29%2B%28b%2B7%29=61\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%283b%2B7%29=61 ALIGN=MIDDLE  ALT=\"%283b%2B7%29=61\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3b=54 ALIGN=MIDDLE  ALT=\"3b=54\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28b=18%29 ALIGN=MIDDLE  ALT=\"highlight%28b=18%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=j=2b-7 ALIGN=MIDDLE  ALT=\"j=2b-7\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=j=2%2818%29-7%29 ALIGN=MIDDLE  ALT=\"j=2%2818%29-7%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=j=36-7 ALIGN=MIDDLE  ALT=\"j=36-7\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28j=29%29 ALIGN=MIDDLE  ALT=\"highlight%28j=29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".<BR>\n" );
document.write( "check<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=j-7=2%28b-7%29 ALIGN=MIDDLE  ALT=\"j-7=2%28b-7%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=29-7=2%2818-7%29 ALIGN=MIDDLE  ALT=\"29-7=2%2818-7%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=22=22 ALIGN=MIDDLE  ALT=\"22=22\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "correct<BR>\n" );
document.write( "check<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2829%2B7%29%2B%2818%2B7%29=61 ALIGN=MIDDLE  ALT=\"%2829%2B7%29%2B%2818%2B7%29=61\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2836%29%2B%2825%29=61 ALIGN=MIDDLE  ALT=\"%2836%29%2B%2825%29=61\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=61=61 ALIGN=MIDDLE  ALT=\"61=61\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "correct </SPAN>\n" );
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