document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=123558>Question 123558</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0131250876/algebrahomeworkh>prentice hall mathematics </A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> SUBSTITUTION:<BR>\n" );
document.write( "8x=-2y-10<BR>\n" );
document.write( "2x=4y </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #90638 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=90638\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The given expression is: \r<BR>\n" );
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document.write( "8x = -2y - 10  ---------------------(1)\r<BR>\n" );
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document.write( "2x = 4y -------------------(2)\r<BR>\n" );
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document.write( "This can be written as <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=++x+=+%284y%2F2%29+ ALIGN=MIDDLE  ALT=\"++x+=+%284y%2F2%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "==> x = 2y --------------(3) \r<BR>\n" );
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document.write( "Substituting (3) in (1) we get: \r<BR>\n" );
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document.write( "8(2y) = - 2y - 10 \r<BR>\n" );
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document.write( "16y = - 2y - 10\r<BR>\n" );
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document.write( "16y + 2y = -10 \r<BR>\n" );
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document.write( "18y = -10 \r<BR>\n" );
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document.write( "y = -<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2810%2F18%29 ALIGN=MIDDLE  ALT=\"%2810%2F18%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "==> y = - 5/9 \r<BR>\n" );
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document.write( "By back substitution we can find the value of \"x\". \r<BR>\n" );
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document.write( "x = 2y \r<BR>\n" );
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document.write( "x = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%28-+5%2F9%29 ALIGN=MIDDLE  ALT=\"2%28-+5%2F9%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "x = - 10/9 \r<BR>\n" );
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document.write( "Thus the solution.  </SPAN>\n" );
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