document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1019990>Question 1019990</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Susan is four years older than Matthew. Twice Susan's age plus five times Marks age is equal to 64. What are the ages of Susan and Matthew? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #635924 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=635924\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> S = M+4 We'll use this value for S next:<BR>\n" );
document.write( "2S+5M = 64 Now substitute for S:<BR>\n" );
document.write( "2(M+4)+5M = 64<BR>\n" );
document.write( "2M+8+5M = 64<BR>\n" );
document.write( "7M = 64-8 = 56<BR>\n" );
document.write( "M = 56/7<BR>\n" );
document.write( "M = 8<BR>\n" );
document.write( "Now we know that Matthew is 8. And the problem says that Susan is 4 years older:<BR>\n" );
document.write( "8+4 = 12 is Susan's age.<BR>\n" );
document.write( "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~<BR>\n" );
document.write( "Check:<BR>\n" );
document.write( "2s+5M = 64<BR>\n" );
document.write( "2(12)+5(8)= 64<BR>\n" );
document.write( "24+40 = 64 We have the correct answer<BR>\n" );
document.write( "J </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );