Respuesta :

6n is another way since you simplify it
To write it another way you just need to change them side but be careful.

5n + 3n - 2n
The other way
3n + 5n - 2n
Another way
-2n + 3n + 5n
Another way
-2n + 5n + 3n

You see, there's lot of ways :)

Have a nice evening !
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