18 August, 04:40
Evaluate a - b if a = - 2 and b = - 7
18 August, 04:46
Plug in the values for a and b and substract a from b
(-2) - (-7)
-2+7 = 5
Basically two negatives turn to a positive and you keep the sign of the greater number.
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» Evaluate a - b if a = - 2 and b = - 7