Question

true or flase a. 42-21=21-42​

Answer 1

We evaluate the given:

42-21=21

21-42=-21

We can see that the answer are different as the negativity and positivity of the answers are different.

So,the answer is false.

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Answer 2

The answer is FALSE

because, 42-21 = 21 (L.H.S)

but, 21-42 = -21 (R.H.S)

therefore they are not equal to each other 42-21≠21-42

Hence, it's FALSE

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