positive + positive = add (e.g. 2 + 1 = 3)
positive + negative = take (e.g. 2 + -1 = 2 - 1 = 1)
positive - positive = take (e.g. 2 - 1 = 1)
positive - negative = add (e.g. 2 - -1 = 2 + 1 = 3)
negative + positive = add (e.g. -2 + 1 = -1)
negative + negative = take (e.g. -2 + -1 = -2 - 1 = -3)
negative - positive = take (e.g. -2 - 1 = -3)
negative - negative = add (e.g. -2 - -1 = -2 + 1 = -1)
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A negative number minus a positive number will always be a negative number.
Well, a positive number minus a greater positive number equals a negative number. But it's impossible for a negative number to be subtracted from any number.
minus a negative is plus a positive so something like -6 - -7=1 because its the same as-6 + +7
A positive number
The result can be positive, negative, or zero.