document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=101637>Question 101637</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0078277892/algebrahomeworkh>Pre-Algebra workbook</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Please help us solve this equation:\r<BR>\n" );
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document.write( "4.  One more than the difference between 18 and 7 times a number is -9\r<BR>\n" );
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document.write( "This is what we have tried:\r<BR>\n" );
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document.write( "7n + 18 +1 = -9<BR>\n" );
document.write( "7n + 19 = -9<BR>\n" );
document.write( "7n = -28<BR>\n" );
document.write( "n= -4\r<BR>\n" );
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document.write( "Is this correct?\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #73945 by </B><A HREF=/tutors/aboutme.mpl?userid=ptaylor><B>ptaylor(2198)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ptaylor><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/cgi-bin/show-face.mpl?user=ptaylor><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=73945\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 4. One more than the difference between 18 and 7 times a number is -9 <BR>\n" );
document.write( "This is what we have tried: <BR>\n" );
document.write( "7n + 18 +1 = -9<BR>\n" );
document.write( "7n + 19 = -9<BR>\n" );
document.write( "7n = -28<BR>\n" );
document.write( "n= -4 <BR>\n" );
document.write( "Is this correct? \r<BR>\n" );
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document.write( "YOU ARE VERY CLOSE!!!!!! WORD PROBLEMS ARE GENERALLY FAR EASIER IF YOU LAY OUT THE PROBLEM, STEP BY STEP,  AS I HAVE DONE BELOW.\r<BR>\n" );
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document.write( "Let n=the number\r<BR>\n" );
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document.write( "7 times the number is 7n\r<BR>\n" );
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document.write( "Difference between 18 and 7 times a number: 18-7n\r<BR>\n" );
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document.write( "One more than the difference between 18 and 7 times a number: (18-7n)+1<BR>\n" );
document.write( "--------and we are told that this equals -9.  So:<BR>\n" );
document.write( "18-7n+1=-9 simplify\r<BR>\n" );
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document.write( "19-7n=-9  subtract 19 from both sides<BR>\n" );
document.write( "19-19-7n=-9-19  collect like terms\r<BR>\n" );
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document.write( "-7x=-28  divide both sides by -7\r<BR>\n" );
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document.write( "n=4------------the number\r<BR>\n" );
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document.write( "CK\r<BR>\n" );
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document.write( "18-(7*4)+1=-9\r<BR>\n" );
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document.write( "18-28+1=-9<BR>\n" );
document.write( "-10+1=-9<BR>\n" );
document.write( "-9=-9\r<BR>\n" );
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document.write( "Hope this helps---ptaylor\r<BR>\n" );
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