Respuesta :

Answer:

n=5

Step-by-step explanation:

2(n+5) goes to being 2n+10

20-10 =10

10/2=5

n=5

2*N is 2n 2*5 is 10

2N+10= 20

Subtract 10 on both sides

2N= 10

Divide by 2


N=5