Respuesta :

Answer:

n=2

2(n+8)=20

2n+16=20

-16  -16

2n=4

2    2

n= 2

There u go love

Step-by-step explanation:

Answer:

x=6

Step-by-step explanation:

2x+8=20

2x+8-8=20-8

2x=12

divide by 2

x=6