Respuesta :
Answer:
(-6,9)
Step-by-step explanation:
That y = 9 is given. Thus, substitute 9 for y in x + y = 3, obtaining x + 9 = 3.
Subtracting 9 from both sides, we get x = -6. Then the solution is (-6,9).
Answer:
(-6,9)
Step-by-step explanation:
That y = 9 is given. Thus, substitute 9 for y in x + y = 3, obtaining x + 9 = 3.
Subtracting 9 from both sides, we get x = -6. Then the solution is (-6,9).