Answer:
(x, y) = (-2, -6)
Step-by-step explanation:
Equate the two expressions for y to get an equation in x alone.
x -4 = 4x +2
-6 = 3x . . . . . . . subtract 2+x
-2 = x . . . . . . . . divide by 3
y = -2-4 = -6 . . . use the first equation to find y
The solution is (x, y) = (-2, -6).