document.write( "Question 885899: I'm using The Complete Idiot's Guide to Pre-Algebra. I'm working on signed numbers and the answer to this one problem doesn't make sense.\r
\n" ); document.write( "\n" ); document.write( "-13 + 5= ? My answer was -8. The book says the answer is -7. Here is the explanation: This is the same as -(13-5)= -7. -13 is negative and 5 is positive, but 5 is less than 13, so you should expect the answer to be negative. \n" ); document.write( "

Algebra.Com's Answer #535527 by MathTherapy(10555) $\"\"$ $\"About$

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\n" ); document.write( "I'm using The Complete Idiot's Guide to Pre-Algebra. I'm working on signed numbers and the answer to this one problem doesn't make sense.\r
\n" ); document.write( "\n" ); document.write( "-13 + 5= ? My answer was -8. The book says the answer is -7. Here is the explanation: This is the same as -(13-5)= -7. -13 is negative and 5 is positive, but 5 is less than 13, so you should expect the answer to be negative.
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document.write( "Subtracting 5 from 13 results in 8, after which the operation before the larger number (-) is kept.
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document.write( "How can 13 - 5 give 7? Are you sure you're looking at the right answer? \n" );
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