Answer:
(3, - 1 )
Explanation:
y = x - 4 → (1)
y = - x + 2 → (2)
Substitute y = x - 4 into (2)
x - 4 = - x + 2 ( add x to both sides )
2x - 4 = 2 ( add 4 to both sides )
2x = 6 ( divide both sides by 2 )
x = 3
Substitute x = 3 into (1)
y = 3 - 4 = - 1
solution is (3, - 1 )