Respuesta :

We know that x = 4.
And the know that the equation is 4x - 7 = y.
Now put in the value of x: (4)(4) - 7 = y
Now solve: 16 - 7 = y; 9 = y
So your answer is y. Please mark my answer brainliest when you get the chance, thank you and have a nice day.