Respuesta :

Answer:

x = 5/9

Step-by-step explanation:

1/3 +x = 8/9

We need to get a common denominator of 9

1/3 * 3/3 +x = 8/9

3/9 + x = 8/9

Subtract 3/9 from each side

3/9 - 3/9 +x = 8/9 - 3/9

x = 5/9