document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=94042>Question 94042</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am having trouble with solving by substitution. Please help.\r<BR>\n" );
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document.write( "5x-2y=-5<BR>\n" );
document.write( "y-5x=3 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #68471 by </B><A HREF=/tutors/aboutme.mpl?userid=praseenakos@yahoo.com><B>praseenakos@yahoo.com(507)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=praseenakos@yahoo.com><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=praseenakos@yahoo.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=68471\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Question:\r<BR>\n" );
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document.write( "I am having trouble with solving by substitution. Please help.\r<BR>\n" );
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document.write( "5x-2y=-5<BR>\n" );
document.write( "y-5x=3\r<BR>\n" );
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document.write( "Answer\r<BR>\n" );
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document.write( "5x - 2y = -5 ----------------(1)\r<BR>\n" );
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document.write( "y - 5x = 3 ------------------(2)\r<BR>\n" );
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document.write( "(2) ==>  y = 3 + 5x\r<BR>\n" );
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document.write( "Substitute this value of y in the first equation.\r<BR>\n" );
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document.write( "  (1) ==> 5x - 5( 3 + 5x ) = -5\r<BR>\n" );
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document.write( "==> 5x - 5*3 -5*5x = -5\r<BR>\n" );
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document.write( "==> 5x - 15 - 25x = -5\r<BR>\n" );
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document.write( "==> 5x - 25x - 15 = -5\r<BR>\n" );
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document.write( "==> -20x - 15 = -5\r<BR>\n" );
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document.write( "Add 15 on both sides....\r<BR>\n" );
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document.write( "==> -5x - 15 + 15  = -5 + 15\r<BR>\n" );
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document.write( "==> -10x = 10\r<BR>\n" );
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document.write( "Divide both sides by -10\r<BR>\n" );
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document.write( "==> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+-10x%2F-10+=+10%2F10 ALIGN=MIDDLE  ALT=\"+-10x%2F-10+=+10%2F10\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "==> x = 1\r<BR>\n" );
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document.write( "==> y = 3 + 5x = 3 + 5*1  = 3 + 5 = 8\r<BR>\n" );
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document.write( "So the  solution is, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+=+1+ ALIGN=MIDDLE  ALT=\"+x+=+1+\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+y+=+8+ ALIGN=MIDDLE  ALT=\"+y+=+8+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Hope you found the explanation useful.\r<BR>\n" );
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document.write( "Regards.\r<BR>\n" );
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document.write( "Praseena.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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