document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=694858>Question 694858</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve by Elimination. I was told to get rid of z first as a hint and leave as a fraction.\r<BR>\n" );
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document.write( "*w+2x+5y=11        <BR>\n" );
document.write( "                     <BR>\n" );
document.write( "-2w+x+4y+2z=-7\r<BR>\n" );
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document.write( "w+2x-2y+5z=3\r<BR>\n" );
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document.write( "-3w+x=-1\r<BR>\n" );
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document.write( "I started out like this: 5(-2w+x+4y+2z=-7)--->-10w+5x+20y+10z=-35<BR>\n" );
document.write( "                         2(w+2x-2y+5z=3)  ---> 2w+4x-4y+10z=6<BR>\n" );
document.write( "I subtracted because \"w\" are postive          ____________________<BR>\n" );
document.write( "                                               -12w+x+24y=-41<BR>\n" );
document.write( "the rest I'm still stuck on. Please Show How to solve for x,y,z, and w \r<BR>\n" );
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document.write( "                   </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #428237 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=428237\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solve by Elimination. I was told to get rid of z first as a hint and leave as a fraction.\r<BR>\n" );
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document.write( "w+2x+5y=11        <BR>\n" );
document.write( "                     <BR>\n" );
document.write( "-2w+x+4y+2z=-7\r<BR>\n" );
document.write( "\n" );
document.write( "w+2x-2y+5z=3\r<BR>\n" );
document.write( "\n" );
document.write( "-3w+x=-1\r<BR>\n" );
document.write( "\n" );
document.write( "I started out like this: 5(-2w+x+4y+2z=-7)--->-10w+5x+20y+10z=-35<BR>\n" );
document.write( "                         2(w+2x-2y+5z=3)  ---> 2w+4x-4y+10z=6<BR>\n" );
document.write( "I subtracted because \"w\" are postive          ____________________<BR>\n" );
document.write( "                                               -12w+x+24y=-41<BR>\n" );
document.write( "the rest I'm still stuck on. Please Show How to solve for x,y,z, and w <BR>\n" );
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document.write( "z was missing in 2 of the equations, so getting rid of it first makes sense.<BR>\n" );
document.write( "Now there are 3 eqns in w, x & y<BR>\n" );
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document.write( "w + 2x + 5y = 11<BR>\n" );
document.write( "12w-x - 24y = 41<BR>\n" );
document.write( "-3w+x = -1<BR>\n" );
document.write( "------<BR>\n" );
document.write( "Eliminate x since its coefficients are small.<BR>\n" );
document.write( "12w-x - 24y = 41<BR>\n" );
document.write( "-3w+x = -1<BR>\n" );
document.write( "-------------------- Add<BR>\n" );
document.write( "9w - 24y = 40  Eqn A<BR>\n" );
document.write( "----<BR>\n" );
document.write( "1w + 2x + 5y = 11<BR>\n" );
document.write( "6w - 2x  = 2 ----------------  -3w+x = -1 times -2<BR>\n" );
document.write( "---------------- Add<BR>\n" );
document.write( "7w + 5y = 13<BR>\n" );
document.write( "9w - 24y = 40  Eqn A<BR>\n" );
document.write( "--------------<BR>\n" );
document.write( "Now it's 2 eqns in x & y<BR>\n" );
document.write( "It's a tossup with is next to go<BR>\n" );
document.write( "I'll do the y terms<BR>\n" );
document.write( "12*(7w + 5y = 13) --> 84w + 120y = 156<BR>\n" );
document.write( "5*(9w - 24y = 40) --> 48w - 120y = 200<BR>\n" );
document.write( "----<BR>\n" );
document.write( "84w + 120y = 156<BR>\n" );
document.write( "48w - 120y = 200<BR>\n" );
document.write( "--------------------- Add<BR>\n" );
document.write( "132w = 356<BR>\n" );
document.write( "w = 89/33<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "Sub into either or the last 2 eqns to find y.<BR>\n" );
document.write( "Then sub for w & y to find x<BR>\n" );
document.write( "Then sub to find z\r<BR>\n" );
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