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-6
6 - (-2) when changing the first sign ( which is the mechanistic form here ) you need to change the second sign. The subtraction sign changes to positive and the negative sign also changes to positive. so... 6 - (-2) becomes 6 + 2 = 8
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You will get a positive integer. If you subtract a negative number, you will be adding it. I think of it like 2 minuses equals a plus. :P