document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=160913>Question 160913</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/9780132031219/algebrahomeworkh>algebra 1</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> I wasnt sure which it was, on the above question.<BR>\n" );
document.write( "So i am in Algebra 1, reviewing chapter 2.<BR>\n" );
document.write( "I was wondering, if you can helping me with this problem.<BR>\n" );
document.write( "-5a-7+4a=-(a-7)<BR>\n" );
document.write( "i sort of understanda but i get stuck where theres a variable and number such as 4h=4h+4    <-- then that on the otherside. im just confused on what to do from there. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #118594 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=118594\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> -5a-7+4a=-(a-7)\r<BR>\n" );
document.write( "\n" );
document.write( "-a -7 = -a + 7<BR>\n" );
document.write( "-7 = 7<BR>\n" );
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document.write( "That is a contradiction.  It means the <BR>\n" );
document.write( "original problem equation has no solution. <BR>\n" );
document.write( "There is no number that can replace \"a\"<BR>\n" );
document.write( "in the equation.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );