document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=62125>Question 62125</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/1888469544/algebrahomeworkh>beginning algebra</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> This chap is asking to solve the system of equation using subsititution method but I keep getting the wrong ans.\r<BR>\n" );
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document.write( "9.  2x+y=5<BR>\n" );
document.write( "    x+3y=0  the book ans is (3,-1)\r<BR>\n" );
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document.write( "11.  2x+y=3<BR>\n" );
document.write( "     2y=-4x+6 the book ans is (Many solutions)\r<BR>\n" );
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document.write( "13.  x-y=3<BR>\n" );
document.write( "     3y=x   the book ans is (9/2,3/2)\r<BR>\n" );
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document.write( "15.  2x+y=-4<BR>\n" );
document.write( "     x-2y=-7  the book ans is (-3,2)\r<BR>\n" );
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document.write( "17.  4x+y=5<BR>\n" );
document.write( "     x-3=0\r<BR>\n" );
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document.write( "I am having problem solving using the substitution method.  PLEASE HELP ME! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #42910 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley71><B>checkley71(8403)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley71><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=42910\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I'LL SOLVE THE FIRST ONE & LEAVE THE REST FOR YOU<BR>\n" );
document.write( "2X+Y=5<BR>\n" );
document.write( "X+3Y=0 SOLVING THIS EQUATION FOR X WE GET<BR>\n" );
document.write( "X=-3Y NOW SUBSTITUTE (-3Y) FOR X IN THE FIRST EQUATION <BR>\n" );
document.write( "2(-3Y)+Y=5<BR>\n" );
document.write( "-6Y+Y=5<BR>\n" );
document.write( "-5Y=5<BR>\n" );
document.write( "Y=5/-5<BR>\n" );
document.write( "Y=-1 SOLUTION  NOW SUBSTITUTE (-1) SECOND EQUATION<BR>\n" );
document.write( "X+3(-1)=0<BR>\n" );
document.write( "X-3=0<BR>\n" );
document.write( "X=3 SOLUTION <BR>\n" );
document.write( "NOW SUBSTITUTE BOTH VALUES (-1 FOR Y & 3 FOR X) THIS IS THE PROOF<BR>\n" );
document.write( "2+3*-1=5<BR>\n" );
document.write( "6-1=5<BR>\n" );
document.write( "5=5 &<BR>\n" );
document.write( "3+3*-1=0<BR>\n" );
document.write( "3-3=0<BR>\n" );
document.write( "0=0 </SPAN>\n" );
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