Respuesta :

Goldenbeast
 a - {b - [c - (d - e) - f] - g} 
= a - {b - [c - d + e - f] - g} 
= a - {b - c + d - e + f - g} 
= a - b + c - d + e - f + g.
so ur answer is the third one C there all equivalent so the last one is the answer choice so there u go

Answer:

[tex]a - b + c - d + e - f + g[/tex]

Step-by-step explanation:

We know that,

(-)(-) = (+),

(-)(+) = (-),

(+)(-) = (-)

(+)(+)=(+)

Now,

Here, the given expression is,

[tex]a - \{b - [c - (d - e) - f] - g\}[/tex]

[tex]a-\{b-[c-d+e-f]-g\}[/tex]

[tex]a-\{b-c+d-e+f-g\}[/tex]

[tex]a-b+c-d+e-f+g[/tex]

Hence, Second option is correct.

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