Relax

Respuesta :

Answer: n=16

Step-by-step explanation:2(n-7) = 18  

n - 7 = 9  

+7    +7

Answer:

2(x-7) 18

2x - 7 18

     +7    +7

2x 25

2       2

x 12.5

Check

2((12.5) -7) 18

2(5.5) 18

11 18

I think this works