document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=66325>Question 66325</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/093979862x/algebrahomeworkh>An Incremental Development</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> PLease help to solve\r<BR>\n" );
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document.write( "2x - y - z = -5<BR>\n" );
document.write( "-2x + 2y - z = 5<BR>\n" );
document.write( "x + 3y + z =6 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #47092 by </B><A HREF=/tutors/aboutme.mpl?userid=venugopalramana><B>venugopalramana(3286)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=venugopalramana><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.geocities.com/venugopalramana/FREE_MATHS_ASSISTANCE.html valign=middle><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=47092\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> IF YOU WANT SOLUTION BY ELIMINATION<BR>\n" );
document.write( "SEE THE FOLLOWING EXAMPLE ND TRY.IN CASE OF DIFFICULTY<BR>\n" );
document.write( "PLEASE COME BACK<BR>\n" );
document.write( "equations with 3 linear<BR>\n" );
document.write( "variables<BR>\n" );
document.write( "6x-4y+5z=31<BR>\n" );
document.write( "5x+2y+2z=13<BR>\n" );
document.write( "x+y+z=2<BR>\n" );
document.write( "should you multiply the 2nd equation by 2?<BR>\n" );
document.write( "show work<BR>\n" );
document.write( "1 solutions<BR>\n" );
document.write( "Answer 29601 by venugopalramana(2734) About Me on<BR>\n" );
document.write( "2006-07-04 11:53:09 (Show Source):<BR>\n" );
document.write( "You can put this solution on YOUR website!<BR>\n" );
document.write( "OK..THE PROBLEM,WE FACE IN ANSWERING IS THAT WE ARE<BR>\n" );
document.write( "NOT AWARE OF YOUR COURSE OF STUDY AND BACKGROUND.THE<BR>\n" );
document.write( "SOLUTION I GAVE IS BY GAUSS JORDAN ELIMINATION METHOD<BR>\n" );
document.write( "USED IN MATRICES AS WANTED BY SOME STUDENTS.IF YOU ARE<BR>\n" );
document.write( "NOT TAUGHT THAT ,WE SHALL DO BY NORMAL ELIMINATION.<BR>\n" );
document.write( "equations with 3 linear variables<BR>\n" );
document.write( "6x-4y+5z=31.......................................I<BR>\n" );
document.write( "5x+2y+2z=13...........................II<BR>\n" );
document.write( "x+y+z=2.......................III<BR>\n" );
document.write( "EQN.II - 2*EQN.III<BR>\n" );
document.write( "5X+2Y+2Z-2X-2Y-2Z=13-2*2=9<BR>\n" );
document.write( "3X=9<BR>\n" );
document.write( "X=9/3=3<BR>\n" );
document.write( "EQN.I+4*EQN.III<BR>\n" );
document.write( "6X-4Y+5Z+4X+4Y+4Z=31+4*2=39<BR>\n" );
document.write( "10X+9Z=39...BUT...X=3..SO<BR>\n" );
document.write( "10*3+9Z=39<BR>\n" );
document.write( "9Z=39-30=9<BR>\n" );
document.write( "Z=9/9=1<BR>\n" );
document.write( "PUTTING IN EQN.III<BR>\n" );
document.write( "3+Y+1=2<BR>\n" );
document.write( "Y=2-4=-2<BR>\n" );
document.write( "HOPE YOU UNDERSTOOD.  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );