Respuesta :

Answer:

a=4

Step-by-step explanation:

6a-3a-1=11

3a-1=11

3a=11+1

3a=12

a=12/3

a=4

Answer: a = 4

Explanation:

6a - 3a - 1 = 11

First do 6a - 3a = 3a

So, it's now 3a - 1 = 11

Plus one on both sides

3a = 12

Divide both sides by 3

a = 4