Answer:
(- 1, 9 )
Step-by-step explanation:
Given the 2 equations
y = - 3x + 6 → (1)
y = 9 → (2)
Substitute y = 9 into (1) and solve for x
9 = - 3x + 6 ( subtract 6 from both sides )
3 = - 3x ( divide both sides by - 3 )
- 1 = x
Solution is (- 1, 9 )
