Respuesta :

 5t + (t - 3) - [(7t + 5) - (8 - 3t)] 
=5t + (t - 3) - [(7t + 5) - (-3t + 8)] 
=5t + (t - 3) - [7t + 5 + 3t - 8] 
=5t + (t - 3) - [7t + 3t + 5 - 8] 
=5t + (t - 3) - [10t - 3] 
=5t + t - 3 - 10t + 3 
=5t + t - 10t - 3 + 3 
=-4t
Exvited
5t + (t - 3) - ((7t + 5) - (8 - 3t))
5t + t - 3 - 7t - 5 + 8 - 3t
(5t + t - 7t - 3t) - 3 - 5 + 8
-4t - 3 - 5 + 8
-4t

The answer is: -4t.

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