Respuesta :

Answer:

y=2x-1/3

Step-by-step explanation:

Well if you're looking to simplify the equation:

3 ( 2x + 7 ) - 1 = 3y + 21

6x + 21 - 1 = 3y + 21

6x + 20 = 3y + 21

6x + 20 - 21 = 3y

6x - 1 = 3y

2x - (1/3) = y