document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=171600>Question 171600</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi Everybody! I've been out of school for 23 years and even when I was there I was never any good at this stuff. Any help would be Appreciated.\r<BR>\n" );
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document.write( "Here's the problem:<BR>\n" );
document.write( "2[-7y-3(5-4y)+10]=10y-12 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #126748 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=126748\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2[-7y-3(5-4y)+10]=10y-12\r<BR>\n" );
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document.write( "Divide both sides by 2 to get:\r<BR>\n" );
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document.write( "[-7y-3(5-4y)+10] = 5y - 6\r<BR>\n" );
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document.write( "[-7y -15 + 12y + 10] = 5y -6\r<BR>\n" );
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document.write( "5y -5 = 5y -6\r<BR>\n" );
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document.write( "If you subtract 5y from both sides you get this contradiction:<BR>\n" );
document.write( "-5 = -6<BR>\n" );
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document.write( "The equation is \"inconsistent\" and has no solution.<BR>\n" );
document.write( "The thing that was inconsistent was all those \"y's\".<BR>\n" );
document.write( "You thought they all meant the same number; they don't.<BR>\n" );
document.write( "===================<BR>\n" );
document.write( "Welcome back to the land of the learning.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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