alleryBy Brahmagupta's laws, what is (−5) − (−3)?
A−8
B−2
C2
D8
Answer & Solution
Correct answer: B. −2
Subtracting a negative is the same as adding a positive: −5 − (−3) = −5 + 3 = −2. Brahmagupta's reasoning: removing a debt of 3 from a position of debt 5 leaves you with debt 2.
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