document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=18371>Question 18371</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 3k-5=7k-21 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #8821 by </B><A HREF=/tutors/aboutme.mpl?userid=piglet162431><B>piglet162431(90)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=piglet162431><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=8821\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> k=4<BR>\n" );
document.write( "First side each like terms and integer in each side\r<BR>\n" );
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document.write( "3k-7k=-21+5<BR>\n" );
document.write( "  -4k=-16\r<BR>\n" );
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document.write( "Now isolate k by dividing -4 each side.<BR>\n" );
document.write( "   k= 4<BR>\n" );
document.write( "Check,<BR>\n" );
document.write( "3(4)-5=7(4)-21<BR>\n" );
document.write( "12-5=28-21<BR>\n" );
document.write( "7=7 </SPAN>\n" );
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