document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=81413>Question 81413</A>: <I><SPAN STYLE=\"word-break: break-all;\"> please help these are due today.\r<BR>\n" );
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document.write( "solve by substitution.\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( "4x-12y=5<BR>\n" );
document.write( "-x+3y=-1 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #58313 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=58313\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> solve by substitution. <BR>\n" );
document.write( "5x-2y=-5<BR>\n" );
document.write( "y-5x=3<BR>\n" );
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document.write( "Substitute into the 1st equation to get:<BR>\n" );
document.write( "5x-2(5x+3)=-5<BR>\n" );
document.write( "-5x=1<BR>\n" );
document.write( "x=-1/5<BR>\n" );
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document.write( "Substitute that into y-5x=3 to solve for y:<BR>\n" );
document.write( "y-5(-1/5)=3<BR>\n" );
document.write( "y+1=3<BR>\n" );
document.write( "y=2<BR>\n" );
document.write( "Solution: x=-1/5, y=2<BR>\n" );
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document.write( "4x-12y=5<BR>\n" );
document.write( "-x+3y=-1<BR>\n" );
document.write( "--------<BR>\n" );
document.write( "solve 2nd equation for x to get:<BR>\n" );
document.write( "x=3y+1\r<BR>\n" );
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document.write( "Substitute into the 1st equation to get:<BR>\n" );
document.write( "4(3y+1)-12y=5<BR>\n" );
document.write( "12y+4-12y=5<BR>\n" );
document.write( "4=5<BR>\n" );
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document.write( "This is a contradiction.<BR>\n" );
document.write( "The system in \"inconsistent\"<BR>\n" );
document.write( "There is no solution.<BR>\n" );
document.write( "===================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
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