Positive 3 plus negative 5 minus negative 2 minus positive 4 is equal to -4.
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Minus a negative means you can plus a positive so therefore the answer would be positive 8.
A plus times a plus is still a plus. Below is the way I remembered it: If there is not a minus sign, it is plus (positive). If there is 1 minus sign, it is minus (negative). If there are 2 minus signs, it is plus (positive).
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It depends. (a) a positive minus a smaller positive is positive, (b) a positive minus a positive of the same size is zero, and (c) a positive minus a bigger positive is negative. For example, (a) 8 - 6 = 2 (b) 8 - 8 = 0 (c) 8 - 11 = -3
a negative minus a positive is a negative ex: -12-13=-25 -9-2=-11 -100-1=-101