document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1062770>Question 1062770</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Sam is 4 years older than sally.if sally is x years old and the sum of their ages is 40,how old are they? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #677760 by </B><A HREF=/tutors/aboutme.mpl?userid=math_helper><B>math_helper(2461)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=math_helper><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=math_helper><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=677760\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Sally is x years old —>  Sam is  x+4 years old.<BR>\n" );
document.write( "Also  <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28x%29+%2B+%28x%2B4%29+=+40+ ALIGN=MIDDLE  ALT=\"+%28x%29+%2B+%28x%2B4%29+=+40+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=++2x+%2B+4+=+40+ ALIGN=MIDDLE  ALT=\"++2x+%2B+4+=+40+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=++2x+=+36+ ALIGN=MIDDLE  ALT=\"++2x+=+36+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+++x+=+18+ ALIGN=MIDDLE  ALT=\"+++x+=+18+\"   DISABLED_style= \"max-width:90%; height:auto;\" >  —> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x%2B4+=+18%2B4+=+22+ ALIGN=MIDDLE  ALT=\"+x%2B4+=+18%2B4+=+22+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "—\r<BR>\n" );
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document.write( "Ans:  Sally is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+highlight%2818%29+ ALIGN=MIDDLE  ALT=\"+highlight%2818%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >, and Sam is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%2822%29 ALIGN=MIDDLE  ALT=\"highlight%2822%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > , years old <BR>\n" );
document.write( "        —<BR>\n" );
document.write( "Check:<BR>\n" );
document.write( "    18+22 = 40 (ok)<BR>\n" );
document.write( "     22 = Sam's age = 18+4  (= Sally's age + 4, so also ok) </SPAN>\n" );
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