Respuesta :

Answer:

(2x + 9) / 3

Step-by-step explanation:

(x + 3) / 3  +   (x + 6) / 3

The denominators are both 3 so we can add the fractions as follows:-

= (x + 3) + (x + 6) / 3

= (2x + 9) / 3


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