document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=313259>Question 313259</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hello I have a problem, but cant seem to find out what i am doing wrong. The equations are solutions to systems of linear equations in three variables.\r<BR>\n" );
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document.write( "2x+ y-3z=-12<BR>\n" );
document.write( "3x-2y-z=  3<BR>\n" );
document.write( "-x+5y+2z=-3\r<BR>\n" );
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document.write( "I know you have to work only two equations at a time. My teacher took the class through it step by step but i'm thinking im making a mistake on my adding or subtracting because i keep coming out with the wrong answer.<BR>\n" );
document.write( "THanks <BR>\n" );
document.write( "Kayla </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #224010 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=224010\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2x+ y-3z=-12<BR>\n" );
document.write( "3x-2y-z=  3<BR>\n" );
document.write( "-x+5y+2z=-3<BR>\n" );
document.write( "..<BR>\n" );
document.write( "2x+ y-3z=-12 ( multiply by 2 to eliminate y)<BR>\n" );
document.write( "3x-2y-z=  3. <BR>\n" );
document.write( "..<BR>\n" );
document.write( "4x+2y-6z+3x-2y-z= -24+3<BR>\n" );
document.write( "7x-7z=-21.<BR>\n" );
document.write( "x-z=-3<BR>\n" );
document.write( "..\r<BR>\n" );
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document.write( "3x-2y-z=  3 ( multiply by 5 to eliminate y)<BR>\n" );
document.write( "-x+5y+2z=-3 ( multiply by 2) and add<BR>\n" );
document.write( "15x-10y-5z-2x+10y+4z=15-6<BR>\n" );
document.write( "13x-z=9.<BR>\n" );
document.write( "..\r<BR>\n" );
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document.write( "x-z=-3<BR>\n" );
document.write( "13x-z=9<BR>\n" );
document.write( "..<BR>\n" );
document.write( "13x-13z-13x+z=-39-9<BR>\n" );
document.write( "-12z=-48<BR>\n" );
document.write( "z= 4.<BR>\n" );
document.write( "..<BR>\n" );
document.write( "plug the value of z in x-z = -3<BR>\n" );
document.write( "x-4=-3<BR>\n" );
document.write( "x=4-3<BR>\n" );
document.write( "x=1.<BR>\n" );
document.write( "..<BR>\n" );
document.write( "plug the values of x & z in the equation 2x+ y-3z=-12<BR>\n" );
document.write( "2+y-12=-12<BR>\n" );
document.write( "y=-2  </SPAN>\n" );
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