I will give brainliest to whoever is right and if u answer and its not right u wil get reported

Answer:
I am going to say y=4
Step-by-step explanation:
The 4 is on the y-intercept When graphing
y=4, you know the y value is 4 , so you draw a dot at
(0,4) , but if you recall from class, if it a single variable, like
y=4, it goes horizontally