document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=177844>Question 177844</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve each system of equations. please help me with these.. thanks\r<BR>\n" );
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document.write( "5x + 4y - z = 1<BR>\n" );
document.write( "2x - 2y + z = 1<BR>\n" );
document.write( "-x - y + z - 2\r<BR>\n" );
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document.write( "x + y + z = 0<BR>\n" );
document.write( "2x + 3y 1 2z = -1<BR>\n" );
document.write( "x - y + z = 2\r<BR>\n" );
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document.write( "x + 2y = 0<BR>\n" );
document.write( "4x    -z = 4<BR>\n" );
document.write( "     5y + z = -1<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 #132954 by </B><A HREF=/tutors/aboutme.mpl?userid=MathTherapy><B>MathTherapy(10552)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathTherapy><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=MathTherapy><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=132954\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I think you meant – x – y + z  =  2 for the 3rd equation in System # 1<BR>\n" );
document.write( "				5x  +  4y  -  z  =  1 ---------(i)<BR>\n" );
document.write( "				2x  -  2y  +  z  =  1 ---------(ii)<BR>\n" );
document.write( "				- x  -  y   +   z  =  2 --------(iii)\r<BR>\n" );
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document.write( "Adding eq (i) and (ii)		7x  + 2y   =  2 -------------(iv)<BR>\n" );
document.write( "Subtracting eq (iii) from eq (ii)	3x  -   y   =  -1 -------------(v)<BR>\n" );
document.write( "Multiplying eq (iv) by 1		7x  +  2y  =  2 -------------(vi)		<BR>\n" );
document.write( "Multiplying eq (v) by 2		6x  - 2y   =  -2 ------------(vii)<BR>\n" );
document.write( "Adding eq (vi) and eq (vii)	13x     =    0<BR>\n" );
document.write( "					x     =     0<BR>\n" );
document.write( "Substituting 0 for x in eq (v) 	3(0)  -   y   =  -1<BR>\n" );
document.write( "					y   =     1<BR>\n" );
document.write( "Substituting 0 for x, & 1 for y in eq (i)    5x  +  4y  -  z  =  1<BR>\n" );
document.write( "				5(0)  +  4(1)  -  z  =  1<BR>\n" );
document.write( "				0   +   4   -   z   =   1<BR>\n" );
document.write( "					z   =     3\r<BR>\n" );
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document.write( "Therefore, x   =   0   ;   y  =  1   ;   z   =    3\r<BR>\n" );
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document.write( "You should be able to do the rest, although they seem to be missing information, or written incorrectly.<BR>\n" );
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