Respuesta :

shahd50

Step-by-step explanation:

1.3a-1=b

2.3a=b+1

3.3a=2b

leh720
Unless you know what the value of a and b is, there is no way to solve for simplify the problem. You have already done the problem with the answer:
3a-1=b

You can not simplify this anymore without the values of a and/or b.