document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=523400>Question 523400</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi,\r<BR>\n" );
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document.write( "I am completely stumped on this question.  Please help!\r<BR>\n" );
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document.write( "What is the number that is 9 less than twice the additive inverse?\r<BR>\n" );
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document.write( "Thanks! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #347312 by </B><A HREF=/tutors/aboutme.mpl?userid=oberobic><B>oberobic(2304)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=oberobic><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=347312\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A number plus its additive inverse = 0.<BR>\n" );
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document.write( "What number is 9 less than twice its additive inverse.<BR>\n" );
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document.write( "Define y is the additive inverse of x<BR>\n" );
document.write( "so<BR>\n" );
document.write( "x + y = 0<BR>\n" );
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document.write( "x = -y<BR>\n" );
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document.write( "The number is 9 less than twice its additive inverse.<BR>\n" );
document.write( "x+9 = 2y<BR>\n" );
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document.write( "Substitute x = -y.<BR>\n" );
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document.write( "-y +9 = 2y<BR>\n" );
document.write( "9 = 3y<BR>\n" );
document.write( "3y = 9<BR>\n" );
document.write( "y = 3<BR>\n" );
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document.write( "x + y = 0<BR>\n" );
document.write( "x + 3 = 0<BR>\n" );
document.write( "x = -3<BR>\n" );
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document.write( "So the number is -3.  its additive inverse is 3.<BR>\n" );
document.write( "Twice the additive inverse = 2*(3) = 6.<BR>\n" );
document.write( "-3 is indeed 9 less than 2*3.<BR>\n" );
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document.write( "Done. </SPAN>\n" );
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