document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=442356>Question 442356</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Explain why it is not necessary to state a subtraction principle: For any real numbers a, b, and c, a = b is equivalent to a – c = b – c. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #305110 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=305110\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Explain why it is not necessary to state a subtraction principle: For any real numbers a, b, and c, a = b is equivalent to a – c = b – c.<BR>\n" );
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document.write( "One addition is defined for all Real Numbers, <BR>\n" );
document.write( "subtraction is defined as addition of an<BR>\n" );
document.write( "additive inverse.<BR>\n" );
document.write( "a-b = a+(-b)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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