document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=961558>Question 961558</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I have tried to find the solution by addition for this equation but my answer comes up wrong. The answer key lets me know that it is dependent but I don't see how. Can you help me?<BR>\n" );
document.write( "Here is the problem:\r<BR>\n" );
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document.write( "2x-4y=11<BR>\n" );
document.write( "-4x+8y=-22 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #587537 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=587537\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2x-4y=11<BR>\n" );
document.write( " -4x+8y=-22<BR>\n" );
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document.write( "Comment:: Dependent means the two equation are really the same.<BR>\n" );
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document.write( "Multiply thru the top equation by -2 and you get:<BR>\n" );
document.write( "-4x + 8y = -22<BR>\n" );
document.write( "That is the same as the bottom equation.<BR>\n" );
document.write( "One is simply another way of expressing the other.<BR>\n" );
document.write( "They are dependent.<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );