Respuesta :

bayosanuade

Answer: 24

Step-by-step explanation:

Given :

b - 2a - c

a = - 7

b = 3

c = - 7

Substituting the values into the expression , we have

3 - 2 ( - 7 ) - ( - 7 )

⇒ 3 + 14 + 7

= 24

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