Respuesta :

5-2n+n=7


Subtract 5 both sides


-2n +n=7-5


-n=2


Divide -1 on both sides


N= 2/-1


Solve


N = -2

I think the answer is n=4. I'm not learning this yet, but here is how I got my answer:

5-2n = 3+n=7

7-3=4n

Hope it helps! :)

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