Respuesta :

3(x+4) =3x+12
3x+12=27
-12. -12
3x=15
3x/3=x
15/3=5
x=5

Answer:

5

Step-by-step explanation:

(3*x) (3*4)

3x+12=27

    -12  -12

3x=15

Divide both sides by 3

x=5