Respuesta :

Answer:

10

Step-by-step explanation:

2c + 1 =11

2c = 11-1

2c =10

if you want c = 5

Answer:

c = 5 and 2c = 10

Step-by-step explanation:

2c + 1 = 11

2c = 11 - 1

2c = 10

c = 10/2

c = 5