document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=124890>Question 124890</A>: <I><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "there are four numbers. the first is twenty less  the second, the third is one more than twice the first and the forth is four more than the third. we also know that the sum of the second equals the sum of the third and fourth numbers. find the numbers. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #91522 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=91522\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> there are four numbers.<BR>\n" );
document.write( "the first is twenty less the second, <BR>\n" );
document.write( "the third is one more than twice the first and <BR>\n" );
document.write( "the forth is four more than the third. <BR>\n" );
document.write( "the sum of the second and first equals the sum of the third and fourth numbers.<BR>\n" );
document.write( "find the numbers.<BR>\n" );
document.write( "------------------------<BR>\n" );
document.write( "Let 1st,2nd,3rd,4th be a,b,c,d<BR>\n" );
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document.write( "EQUATIONS:<BR>\n" );
document.write( "a = b-20<BR>\n" );
document.write( "c = 2a+1<BR>\n" );
document.write( "d = c+4<BR>\n" );
document.write( "b + a = c+d<BR>\n" );
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document.write( "Rearrange the four equations:<BR>\n" );
document.write( "a   -b + 0 + 0 = -20<BR>\n" );
document.write( "2a + 0 - c + 0 =  -1<BR>\n" );
document.write( "0  + 0 + c - d = -4<BR>\n" );
document.write( "a  + b - c - d =  0<BR>\n" );
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document.write( "I used the matrix function of a TI calculator to get:<BR>\n" );
document.write( "1st = 7<BR>\n" );
document.write( "2nd = 27<BR>\n" );
document.write( "3rd = 15<BR>\n" );
document.write( "4th = 19<BR>\n" );
document.write( "============<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );