Respuesta :

abcdefdfgfghh

Answer:

-26

Step-by-step explanation:

first, simplify the equation

2(a - 4) -4(a + 3)

distribute

2a -8 -4a -12

combine like terms

-2a - 20

now plug in a =3

-2 (3) -20

simplify by distributing then solving

-6 -20

= -26

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