document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=164133>Question 164133</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0078651131/algebrahomeworkh>Algebra 1</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Describe how to subtract real numbers. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #120910 by </B><A HREF=/tutors/aboutme.mpl?userid=Earlsdon><B>Earlsdon(6294)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Earlsdon><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=120910\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> To subtract a number, you add its \"additive inverse\".<BR>\n" );
document.write( "The \"additive inverse\" of a number is the same number (absolute value) but having the opposite sign.<BR>\n" );
document.write( "Examples:<BR>\n" );
document.write( "6-9 = 6+(-9) The additive inverse of 9 is -9<BR>\n" );
document.write( "-5-(-6) = -5+6 = 1 The additive inverse of -6 is 6<BR>\n" );
document.write( "So you are changing the subtraction problem to an addition problem.<BR>\n" );
document.write( "10-6 = 10+(-6) = 4<BR>\n" );
document.write( "-12-4 = -12+(-4) = -16<BR>\n" );
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