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Question
Subtract:
(19) −27 − (−127)
(19) −27 − (−127)
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Solution
–27 – (–127) can be written as –27 + 127 [∵ The additive inverse of (–127) is +127]
Now, let us subtract the magnitudes of the numbers.
127 – 27 = 100
The magnitude 127 is bigger than 27. So, we will give 100 the sign of +127, i.e., the positive sign.
∴ 127 + (–27) = +100
Now, let us subtract the magnitudes of the numbers.
127 – 27 = 100
The magnitude 127 is bigger than 27. So, we will give 100 the sign of +127, i.e., the positive sign.
∴ 127 + (–27) = +100
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