Question

(–7) – (–9) = 2 or 1 – (–1) = 2

Answer 1

(- 7) - (- 9)

we know that ( - ) x ( - ) = ( + )

- 7 + 9

= 2.


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1 - (- 1)

we know ( - ) x ( - ) = ( + )

1 + 1

= 2 .




Hence:

Both are correct.

Answer 2

HEY DEAR ... ✌️

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Here's , Your Answer :-

=) Firstly ,

=) (-7) - (-9) =2

=) we know , -1 (-1) = +1

=) (-7) + 9 =2

=) -7 + 9 = 2

=) 2 = 2

Secondly ,

=) 1 - (-1) =2

=) we know , -1 × -1 = +1

=) 1 + 1 =2

=) 2 = 2


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HOPE , IT HELPS ... ✌️