Respuesta :

Answer:

x=16/9

Step-by-step explanation:

1/3+7=3(x+2/3)

1/3+21/3=3x+6/3

22/3=3x+2

3x=22/3-2

3x=22/3-6/3

3x=16/3

x=(16/3)/3

x=(16/3)(1/3)

x=16/9