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Subtraction of Integers

Fill in the b...

Question

Fill in the blanks:
$(- 1) + (+ 1) - (- 1) =_____.$

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Solution

Consider
$(- 1) + (+ 1) - (- 1) - 1 + 1 + 1 = + 1$
Hence, $(- 1) + (+ 1) - (- 1) = + 1$

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