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Mathematics
OpenStudy (anonymous):

What is the difference between a sign that tells you if a # number is positive and an operation. MY MATH TEACHER IS CRAZY JUST COME UP WITH SOMETHING I BEG OF YOU

OpenStudy (anonymous):

+ ?

OpenStudy (annon):

when you substract some thing, your subtracting a variable. when it's negative, it holds that negative number into a variable.

OpenStudy (anonymous):

absolute value?

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