Answer:
(- 2, - 3 )
Explanation:
Given the 2 equations
2x - 4y = 8 → (1)
y =
x → (2)
Substitute y =
x into (1)
2x - 4(
x ) = 8
2x - 6x = 8
- 4x = 8 ( divide both sides by - 4 )
x = - 2
Substitute x = - 2 into (2) for corresponding value of y
y =
× - 2 = - 3
Solution is (- 2, - 3 )