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21+(-23)−15

Select all the statements about the expression that are true.
It is equivalent to -2−15 because adding 21+(-23) is the same as subtracting 21−23.

It is equivalent to 21+8 because subtracting (-23)−15 is the same as subtracting 23−15.
The value of the expression is 17 because 21+(-23)−15 is the same as 21−38.

The value of the expression is -17 because 21+(-23)−15 is the same as 21+(-38).

Respuesta :

It is equivalent to -2−15 because adding 21+(-23) is the same as subtracting 21−23. The value of the expression is -17 because 21+(-23)−15 is the same as 21+(-38). These 2 statements are true.

Answer:

Step-by-step eIt is equivalent to -2−15 because adding 21+(-23) is the same as subtracting 21−23. The value of the expression is -17 because 21+(-23)−15 is the same as 21+(-38). These 2 statements are true.xplanation:

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