document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=215998>Question 215998</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/9780136007029/algebrahomeworkh>Beginning Algebra</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> 3n+2n=7+4n    <BR>\n" );
document.write( "I need help with learning how to do equations like this please. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #163155 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=163155\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 3n+2n=7+4n <BR>\n" );
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document.write( "Collect all like terms, in this case that's n, on both side of the =.<BR>\n" );
document.write( "5n = 7 + 4n<BR>\n" );
document.write( "The equal sign is valid as long as you do the same thing (allowed things, not divide by zero) to both sides.<BR>\n" );
document.write( "5n = 7 + 4n<BR>\n" );
document.write( "Subtract 4n from both sides<BR>\n" );
document.write( "1n = 7<BR>\n" );
document.write( "n = 7<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );