document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=857134>Question 857134</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Samantha is 4 years older than her brother. The sum of their ages is 20. The product of their ages is 96. How old is Samantha's brother? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #516913 by </B><A HREF=/tutors/aboutme.mpl?userid=JulietG><B>JulietG(1812)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=JulietG><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=JulietG><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=516913\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> S = B+4<BR>\n" );
document.write( "S + B = 20<BR>\n" );
document.write( "S * B = 96<BR>\n" );
document.write( "Substitute the known value of S in the first equation into the second.<BR>\n" );
document.write( "(B+4) + B = 20<BR>\n" );
document.write( "Add<BR>\n" );
document.write( "2B + 4 = 20<BR>\n" );
document.write( "Subtract 4 from each side<BR>\n" );
document.write( "2B = 16<BR>\n" );
document.write( "Divide each side by 2<BR>\n" );
document.write( "B = 8<BR>\n" );
document.write( "If B is 8, then S is 8+4, or 12.<BR>\n" );
document.write( "8*12=96<BR>\n" );
document.write( "Success!<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );