Answer:
x=-2
y = -6
Explanation:
y=x−4
y=4x+2
Since they are both equal to y, we can set them equal
x-4 = 4x+2
Subtract x from each side
x-4-x =4x+2-x
-4 = 3x+2
Subtract 2 from each side
-4-2 = 3x+2-2
-6 = 3x
Divide each side by 3
-6/3 = 3x/3
-2 =x
Now we need to find y
y = x-4
y = -2-4
y = -6