document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=238270>Question 238270</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The directions are Solve each system by elimination. Check your answers. The first problem is <BR>\n" );
document.write( "               x-y+z=-1      x+y+3z=-3   2x-y+2z=0<BR>\n" );
document.write( "I've tried this like 15 times and cannot figure it out. Most of the time I would check what I got and it would be 1 instead of -1 or 3 instead of -3... I know how to do them I think. But I just can't get it. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #175100 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=175100\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solve each system by elimination. Check your answers. The first problem is <BR>\n" );
document.write( "x-y+z=-1 <BR>\n" );
document.write( "x+y+3z=-3 <BR>\n" );
document.write( "2x-y+2z=0<BR>\n" );
document.write( "---------------------<BR>\n" );
document.write( "Subtract 1st from the 2nd;<BR>\n" );
document.write( "Subtract 2 times the 1st from the 3rd.<BR>\n" );
document.write( "-----------<BR>\n" );
document.write( "x-y+z=-1<BR>\n" );
document.write( "0x+2y+2z=-2 <BR>\n" );
document.write( "0x+y+0z=2<BR>\n" );
document.write( "-----------------<BR>\n" );
document.write( "Solve the 3rd Eq. for y: y = 2<BR>\n" );
document.write( "--------------------------<BR>\n" );
document.write( "Substitute y=2 into the 2nd equation and solve for \"z\":<BR>\n" );
document.write( "2*2 + 2z = -2<BR>\n" );
document.write( "2Z = -6<BR>\n" );
document.write( "z = -3<BR>\n" );
document.write( "------------<BR>\n" );
document.write( "Substitute into x-y+z=-1 and solve for \"x\"<BR>\n" );
document.write( "x - 2 - 3 = -1<BR>\n" );
document.write( "x = 4<BR>\n" );
document.write( "===================================<BR>\n" );
document.write( "Solution:<BR>\n" );
document.write( "x = 4<BR>\n" );
document.write( "y = 2<BR>\n" );
document.write( "z = -3<BR>\n" );
document.write( "00000000000000000000000000000000000<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );