document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=821474>Question 821474</A>: <I><SPAN STYLE=\"word-break: break-all;\"> if <BR>\n" );
document.write( "a b=10<BR>\n" );
document.write( "b c=20<BR>\n" );
document.write( "c a=24\r<BR>\n" );
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document.write( "how much is a, b and c<BR>\n" );
document.write( "and how </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #494151 by </B><A HREF=/tutors/aboutme.mpl?userid=ortarico><B>ortarico(23)</B></A><img src=\"/images/stars/stars-07.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ortarico><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=494151\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> if <BR>\n" );
document.write( "a b=10<BR>\n" );
document.write( "b c=20<BR>\n" );
document.write( "c a=24\r<BR>\n" );
document.write( "\n" );
document.write( "how much is a, b and c<BR>\n" );
document.write( "and how<BR>\n" );
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document.write( "a   b = 10 ---- eqn1<BR>\n" );
document.write( "b   c = 20 ---- eqn2<BR>\n" );
document.write( "c   a = 24 ---- eqn3<BR>\n" );
document.write( "--------\r<BR>\n" );
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document.write( "from eqn1: a   b = 10, <BR>\n" );
document.write( "a = 10 - b ---- eqn4<BR>\n" );
document.write( "from eqn3: c   a = 24,<BR>\n" );
document.write( "a = 24 - c ---- eqn5<BR>\n" );
document.write( "-----------\r<BR>\n" );
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document.write( "equating eqn4 and eqn5:<BR>\n" );
document.write( "10 - b = 24 - c<BR>\n" );
document.write( "b - c = -14 ---- eqn6<BR>\n" );
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document.write( "bringing eqn2 and eqn6:<BR>\n" );
document.write( "b   c = 20<BR>\n" );
document.write( "b - c = -14\r<BR>\n" );
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document.write( ":. 2b = 6<BR>\n" );
document.write( "b = 3<BR>\n" );
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document.write( "substituting b = 3 in eqn1<BR>\n" );
document.write( "a   b = 10<BR>\n" );
document.write( "a   3 = 10<BR>\n" );
document.write( "a = 7<BR>\n" );
document.write( "----------------\r<BR>\n" );
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document.write( "substituting a = 7 in eqn3:<BR>\n" );
document.write( "c   a = 24<BR>\n" );
document.write( "c   7 = 24<BR>\n" );
document.write( "c = 17<BR>\n" );
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document.write( ":. a = 7, b = 3 and c = 17\r<BR>\n" );
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document.write( " <BR>\n" );
document.write( "  <BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );