document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=269920>Question 269920</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve for x.<BR>\n" );
document.write( "7[2-(3+4r]=-9+2(1-5r)<BR>\n" );
document.write( "7[-1+2r] = -9+2.1 2.-15r<BR>\n" );
document.write( "-7+2r      -7 -30r<BR>\n" );
document.write( "+7         +7<BR>\n" );
document.write( "      2r = 0 -30r<BR>\n" );
document.write( "     +30r  +30r<BR>\n" );
document.write( "     32r = 0<BR>\n" );
document.write( "I have no idea if I am even close with this one. The brackets are throwing me off I think. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #197767 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=197767\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solve for x.<BR>\n" );
document.write( "I don't see any (x) so I'll solve for r.<BR>\n" );
document.write( "7[2-(3+4r)]=-9+2(1-5r) {I've added a ) after the 4r.}<BR>\n" );
document.write( "7[2-3-4r]=-9+2-10r<BR>\n" );
document.write( "7[-1-4r]=-7-10r<BR>\n" );
document.write( "-7-28r=-7-10r<BR>\n" );
document.write( "-28r+10r=-7+7<BR>\n" );
document.write( "-18r=0<BR>\n" );
document.write( "r=0 ans.<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( "7[2-(3+4*0)]=-9+2(1-5*0)<BR>\n" );
document.write( "7[2-3+0]=-9+2*1<BR>\n" );
document.write( "7*-1=-9+2<BR>\n" );
document.write( "-7=-7 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );