Respuesta :

elizabethhamilton175

Answer:

-3a-12

Step-by-step explanation:

3•-2a=-6a

3•-4=-12

+3a

-6a+3a=-3a

-3a-12

TheUnknownScientist

Answer:

- 3a - 12

Step-by-step explanation:

3(- 2a - 4) + 3a

- 6a - 12 + 3a

- 3a - 12.

IF YOU WANT TO FIND THE VALUE OF A THEN,

- 3a - 12 = 0

- 3a = 12

a = -12/3

a = -4