Respuesta :

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Remember that when you subtract a negative number, you are really just adding the number. This is represented as:

[tex]a - (- b) = a + b[/tex]


Thus, we can simplify

[tex](-27) - (-27)[/tex],

as

[tex]-27 + 27[/tex]


Our answer is -27 + 27.

Remember two negatives gives you a positive. So:

-27 - (-27)    =   -27 + 27

Hope this helps you!