document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=108910>Question 108910</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/9780073028729/algebrahomeworkh>Intermediate Algebra</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> This question needs to be solved with the addition/elimination method.<BR>\n" );
document.write( "0.4x-0.1y=0.3<BR>\n" );
document.write( "-80x+20y=40 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #79423 by </B><A HREF=/tutors/aboutme.mpl?userid=chitra><B>chitra(359)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=chitra><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=79423\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The given set of equations are: \r<BR>\n" );
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document.write( "0.4x - 0.1y = 0.3 -------------(1)\r<BR>\n" );
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document.write( "-80x + 20y = 40 ---------------(2)\r<BR>\n" );
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document.write( "The first equation can be written, \r<BR>\n" );
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document.write( "4x - 1y = 3 ------------------(3)\r<BR>\n" );
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document.write( "-80x + 20y = 40 --------------(4)\r<BR>\n" );
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document.write( "Using  (3) in this way in (4) we get:\r<BR>\n" );
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document.write( "y = 4x - 3 \r<BR>\n" );
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document.write( "-80x + 20(4x - 3) = 40\r<BR>\n" );
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document.write( "-80x + 80x - 60 = 40\r<BR>\n" );
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document.write( "- 60 = 40\r<BR>\n" );
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document.write( "which is not possible\r<BR>\n" );
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document.write( "hence the given system of equations has no solutions\r<BR>\n" );
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document.write( "thus the solution\r<BR>\n" );
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document.write( " </SPAN>\n" );
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