Respuesta :

Answer:4

Step-by-step explanation:What +7=11 bause the () make a multiplication and 11x3=33

Answer:

n=4

Step-by-step explanation:

3(n+7)=33

Lets mulitply..

3n+21=33

Then we need 3n alone...

To do this subract 21 from 33 and you get 12.

3n=12

Divide 3n by 3 and 12 by 3.

n=4