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Identify the property demonstrated(a) (-7)+0= -7 (b) (-9)-9=0?

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(a) $$ - 7 + 0 = -7 $$\$$

It is a part of an additive identity where we add value zero

it will unchanged  a value to which it adds to the given number

Hence, Additive Identity 

(b) $$ (- 9) -9 = 0 $$\$$ 

it is wrong because in this expression we multiply the value that is equal to 18,

and it not equal to Zero

Hence, it is wrong 

Posted by

Deependra Verma

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