document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=156680>Question 156680</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0131467735/algebrahomeworkh>Intermediate Algebra</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> \"Use the Addition Property and/or Multiplication Properties to find a and b.  If -3 < x < 4, then a < x + 4 < b.\"\r<BR>\n" );
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document.write( "I have tried substituting the \"if\" equation in for x in the \"then\" equation, but just can't seem to get anywhere.  The back of the book indicates that the correct answer is a=1 and b=8.  I can't figure out how to move from an inequality to an answer with an equality. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #115497 by </B><A HREF=/tutors/aboutme.mpl?userid=mangopeeler07><B>mangopeeler07(462)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mangopeeler07><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=115497\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> -3 < x < 4<BR>\n" );
document.write( "a < x + 4 < b\r<BR>\n" );
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document.write( "a=?<BR>\n" );
document.write( "b=!\r<BR>\n" );
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document.write( "Simply take -3 < x < 4 and add 4 to all three \"sides\".\r<BR>\n" );
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document.write( "-3+4 < x+4 < 4+4\r<BR>\n" );
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document.write( "Simplify<BR>\n" );
document.write( "1 < x+4 < 8\r<BR>\n" );
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document.write( "a < x+4 < b\r<BR>\n" );
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document.write( "Which numbers take the place of a and b? 1 and 8.  Therefore:<BR>\n" );
document.write( "a=1<BR>\n" );
document.write( "b=8<BR>\n" );
document.write( " </SPAN>\n" );
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