document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=301434>Question 301434</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If 3 times the number is subtracted from 15.  The result will be equal to the number decreased by 21? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #216131 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=216131\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 15-3x=x-21<BR>\n" );
document.write( "-3x-x=-21-15<BR>\n" );
document.write( "-4x=-36<BR>\n" );
document.write( "x=-36/-4<BR>\n" );
document.write( "x=9 ans.<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( "15-3*9=9-21<BR>\n" );
document.write( "15-27=-12<BR>\n" );
document.write( "-12=-12 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );