document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=45029>Question 45029</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0131482874/algebrahomeworkh>Beginning Algebra</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> I am not very good with Algebra. My question is:\r<BR>\n" );
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document.write( "Add. -3 + (-4) + (+12)\r<BR>\n" );
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document.write( "I do not remember how to do this problem. \r<BR>\n" );
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document.write( "I have tried adding it on paper. I have tried adding it up on the calculator. If I remember correctly, 2 negatives = a positive number.\r<BR>\n" );
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document.write( "Here is my solution:\r<BR>\n" );
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document.write( "-3 + (-4)= 7 + (+12)= 19. Is that correct?\r<BR>\n" );
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document.write( "ISBN #0-13-148287-4 Textbook Name is: Beginning Algebra 6th Edition by John Tobey and Jeffrey Slater. \r<BR>\n" );
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document.write( "The question is from the Diagnostic Pretest: Beginning Algebra Under Chapter 1 Problem # 7\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 #29841 by </B><A HREF=/tutors/aboutme.mpl?userid=tutorcecilia><B>tutorcecilia(2152)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=tutorcecilia><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=tutorcecilia><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=29841\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Here is a basic review of adding and subtraction numbers:<BR>\n" );
document.write( "1). The absolute value of a number is the distance away from zero on the number line. For example the absolute value of 2 is 2 and the absolute value of -2 is also 2. Both are two spaces away from zero on the number line so their absolute value is 2.<BR>\n" );
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document.write( "2). To add two numbers with the same sign, add the absolute values of both numbers and take the common sign: <BR>\n" );
document.write( "Example: -3 + -3 = absolute value of -3 + absolute value of -3 = 6.  The signs are the same so  -3 + -3 = -6<BR>\n" );
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document.write( "3). To add two numbers with different signs, subtract the absolute values and take the sign of the larger number.<BR>\n" );
document.write( "Example: -5 + 2 = absolute value of -5 minus absolute value 2 = 3.  The signs are different, 5 is the largest and has a negative sign, so = -5 + (+2)= -3<BR>\n" );
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document.write( "4). To subtract any two numbers, change the subtraction sign to addition. Change the sign of the second number to the opposite sign. Apply the rules of addition. <BR>\n" );
document.write( "Example: 5-2 =  5 – (+2) Expanded version of the same problem.<BR>\n" );
document.write( "5+(-2) Change to an addition problem.  Change the sign of the second number. <BR>\n" );
document.write( "5+ (-2) = 3  Apply the addition rules for when the signs are different.<BR>\n" );
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document.write( "-3 + (-4) + (+12) Since the only operations are addition and subtraction work from left to right.<BR>\n" );
document.write( "-3 +(-4)Signs are the same, so add.<BR>\n" );
document.write( "-7+(+12) = 5 Signs are different, so subtract and take the sign of the larger number<BR>\n" );
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