document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=798372>Question 798372</A>: <I><SPAN STYLE=\"word-break: break-all;\"> solve:\r<BR>\n" );
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document.write( "solutions of three equations in three variables:\r<BR>\n" );
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document.write( "2x+y-z=1<BR>\n" );
document.write( "x+2y+2z=2<BR>\n" );
document.write( "4x+5y+3z=3\r<BR>\n" );
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document.write( "PLEASE SHOW WORK!!! (IVE ASKED IN PREVIOUS QUESTIONS TO SHOW WORK AND NO ONE HAS DONE SO .. I JUST NEED TO UNDERSTAND HOW TO DO THIS!) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #482164 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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/cgi-bin/show-face.mpl?user=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=482164\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> solve: <BR>\n" );
document.write( "solutions of three equations in three variables: <BR>\n" );
document.write( "2x+y-z=1<BR>\n" );
document.write( "x+2y+2z=2<BR>\n" );
document.write( "4x+5y+3z=3 <BR>\n" );
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document.write( "Pick a variable to eliminate<BR>\n" );
document.write( "z first.<BR>\n" );
document.write( "4x+2y-2z =2 Eqn 1 times 2<BR>\n" );
document.write( "x+2y+2z = 2 Eqn 2<BR>\n" );
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document.write( "5x + 4y = 4  Eqn A<BR>\n" );
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document.write( "6x+3y-3z=3 Eqn 1 times 3<BR>\n" );
document.write( "4x+5y+3z=3 Eqn 3<BR>\n" );
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document.write( "10x + 8y = 6  Eqn B<BR>\n" );
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document.write( "Now you have 2 eqns in 2 variables.<BR>\n" );
document.write( "The next step is to eliminate x or y.<BR>\n" );
document.write( "5x + 4y = 4  Eqn A<BR>\n" );
document.write( "5x + 4y = 3  Eqn B times 1/2<BR>\n" );
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document.write( "It's obvious that the system is inconsistent.<BR>\n" );
document.write( "--> no unique solution\r<BR>\n" );
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