document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=218322>Question 218322</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I'm trying to solve by elimination but the answers just don't seem right?\r<BR>\n" );
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document.write( "#1) 5x-7y=-16  10x-14y=32           5x-7(-7.90)=-16<BR>\n" );
document.write( "    2x-5y=11   10x+25y=-55          5x+55.3=-16<BR>\n" );
document.write( "                11y=-87            -55.3 -55.3      (-14.26,-7.90)<BR>\n" );
document.write( "                y=-7.90            5/5x = -71.3/5<BR>\n" );
document.write( "                                      x = -14.26\r<BR>\n" );
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document.write( "#2) 5x-9=7         7y-3x=-5<BR>\n" );
document.write( "      +9 +9        7y-3(16/5)=-5<BR>\n" );
document.write( "    5/5x=16/5      7y-42=-5          (16/5, 37/7)<BR>\n" );
document.write( "     x = 16/5        +42 +42<BR>\n" );
document.write( "                   7/7y = 37/7<BR>\n" );
document.write( "                      y = 37/7\r<BR>\n" );
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document.write( "#3) 9x+5y=6        2(3/11)-5y=-3<BR>\n" );
document.write( "    2x-5y=-3       6/11-5y=-3<BR>\n" );
document.write( "   11/11x = 3/11  -6/11   -6/11<BR>\n" );
document.write( "     x = 3/11        -5/-5y=-27/-5<BR>\n" );
document.write( "                       y = -27/-5\r<BR>\n" );
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document.write( "#4) 8x-3y=16   (8/16,-4)<BR>\n" );
document.write( "    8x+3y=-8<BR>\n" );
document.write( "Thanks. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #164482 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=164482\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 5x-7y=-16 Eqn 1<BR>\n" );
document.write( "10x-14y=-32 Eqn 1 times 2<BR>\n" );
document.write( "2x-5y=11 Eqn 2<BR>\n" );
document.write( "10x-25y=55 Eqn 2 times 5<BR>\n" );
document.write( "10x-14y=-32 Eqn 1 times 2<BR>\n" );
document.write( "------------------------- Subtract<BR>\n" );
document.write( "-11y = 87<BR>\n" );
document.write( "y = -87/11<BR>\n" );
document.write( "-------------<BR>\n" );
document.write( "2x + 435/11 = 11 Eqn 2<BR>\n" );
document.write( "2x = -314/11<BR>\n" );
document.write( "x = -157/11<BR>\n" );
document.write( "------------<BR>\n" );
document.write( "------------<BR>\n" );
document.write( "11y=-87 -55.3 -55.3 (-14.26,-7.90)<BR>\n" );
document.write( "y=-7.90 5/5x = -71.3/5<BR>\n" );
document.write( "x = -14.26 <BR>\n" );
document.write( "--------------\r<BR>\n" );
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document.write( "#2) 5x-9=7 7y-3x=-5<BR>\n" );
document.write( "+9 +9 7y-3(16/5)=-5<BR>\n" );
document.write( "5/5x=16/5 7y-42=-5 (16/5, 37/7)<BR>\n" );
document.write( "x = 16/5 +42 +42 **************** 3*16 = 48, not 42<BR>\n" );
document.write( "7/7y = 37/7<BR>\n" );
document.write( "y = 37/7 <BR>\n" );
document.write( "#3) 9x+5y=6 2(3/11)-5y=-3<BR>\n" );
document.write( "2x-5y=-3 6/11-5y=-3<BR>\n" );
document.write( "11/11x = 3/11 -6/11 -6/11<BR>\n" );
document.write( "x = 3/11 -5/-5y=-27/-5 ******* -3 - 6/11 = -39/11<BR>\n" );
document.write( "y = -27/-5  ****************** y = 39/55<BR>\n" );
document.write( "-------------<BR>\n" );
document.write( "#4) 8x-3y=16 (8/16,-4) --> (1/2,-4)<BR>\n" );
document.write( "8x+3y=-8<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );