document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=60548>Question 60548</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/1592009425/algebrahomeworkh></A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> 7-3=r-4(2+r) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #41573 by </B><A HREF=/tutors/aboutme.mpl?userid=funmath><B>funmath(2933)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=funmath><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=41573\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 7-3=r-4(2+r)  Simplify the left side<BR>\n" );
document.write( "4=r-4(2+r)  simplify the right side<BR>\n" );
document.write( "4=r-4(2)-4(r)  <BR>\n" );
document.write( "4=r-8-4r<BR>\n" );
document.write( "4=-8-3r  Now use inverses to isolate the r.<BR>\n" );
document.write( "4+8=-8+8-3r<BR>\n" );
document.write( "12=-3r<BR>\n" );
document.write( "12/-3=-3r/-3<BR>\n" );
document.write( "-4=r<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Sanity Check, do the sides equal when r=-4?<BR>\n" );
document.write( "7-3=(-4)-4(2+(-4))?<BR>\n" );
document.write( "4=-4-4(-2)?<BR>\n" );
document.write( "4=-4+8?<BR>\n" );
document.write( "4=4!!! We're right!!!<BR>\n" );
document.write( "Happy Calculating!!! </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );