document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=834259>Question 834259</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The sum of three times a number and seven is thirteen. Find the number. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #502875 by </B><A HREF=/tutors/aboutme.mpl?userid=DrBeeee><B>DrBeeee(684)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=DrBeeee><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=502875\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let n = a number.<BR>\n" );
document.write( "We are given that<BR>\n" );
document.write( "(1) 3*n + 7 = 13<BR>\n" );
document.write( "Now solve for n.<BR>\n" );
document.write( "Subtract 7 from each side of (1) and get<BR>\n" );
document.write( "(2) 3*n = 13 - 7 or<BR>\n" );
document.write( "(3) 3*n = 6<BR>\n" );
document.write( "Now divide each side of (3) by 3 and get<BR>\n" );
document.write( "(4) n = 6/3 or<BR>\n" );
document.write( "(5) n = 2<BR>\n" );
document.write( "Check your answer using (1).<BR>\n" );
document.write( "Is (3*2 + 7 = 13)?<BR>\n" );
document.write( "Is (6 + 7 = 13)?<BR>\n" );
document.write( "Is (13 = 13)? Yes<BR>\n" );
document.write( "Answer: The number is 2. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );