document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=776418>Question 776418</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me with this question. <BR>\n" );
document.write( "The directions: solve each system by elimination.\r<BR>\n" );
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document.write( "3x-y+z=3<BR>\n" );
document.write( "X+y+2z=4<BR>\n" );
document.write( "X+2y+z=4\r<BR>\n" );
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document.write( "I solved the first step which is: \r<BR>\n" );
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document.write( "  3x-y+z=3<BR>\n" );
document.write( "+(x+2y+z=4)= 4x+3z=7\r<BR>\n" );
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document.write( "   X+y+2z=4<BR>\n" );
document.write( "2(x+2y+z=4)= 2x+2z=8\r<BR>\n" );
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document.write( "And I'm stuck on the rest. Please help, thank you!<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #473554 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=473554\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> solve each system by elimination. <BR>\n" );
document.write( "---------------<BR>\n" );
document.write( "X+y+2z=4<BR>\n" );
document.write( "X+2y+z=4<BR>\n" );
document.write( "3x-y+z=3<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "Subtract 1st from 2nd:::<BR>\n" );
document.write( "Subtract 3 times 1st from 3rd:::<BR>\n" );
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document.write( "X+y+2z=4<BR>\n" );
document.write( "0+y-z = 0<BR>\n" );
document.write( "0-4y-5z=-9<BR>\n" );
document.write( "-----------<BR>\n" );
document.write( "Add 4 times 2nd to 3rd:::<BR>\n" );
document.write( "X+y+2z=4<BR>\n" );
document.write( "0+y-z = 0<BR>\n" );
document.write( "0+0-9z= -9<BR>\n" );
document.write( "-------<BR>\n" );
document.write( "Solve 3rd for \"z\":<BR>\n" );
document.write( "z = 1<BR>\n" );
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document.write( "Solve 2nd for \"y\":<BR>\n" );
document.write( "y-1 = 0<BR>\n" );
document.write( "y = 1<BR>\n" );
document.write( "-------------------<BR>\n" );
document.write( "Solve 1st for \"x\":<BR>\n" );
document.write( "x + y + 2z = 4<BR>\n" );
document.write( "x + 1 + 2 = 4<BR>\n" );
document.write( "x = 1<BR>\n" );
document.write( "-----------------------<BR>\n" );
document.write( "Solution:<BR>\n" );
document.write( "x = 1 ; y = 1 ; z = 1<BR>\n" );
document.write( "===========================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "=================<BR>\n" );
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