Skirttheratdoo Skirttheratdoo

18-03-2022
Mathematics

contestada

Solve the system:

3y=9-x

y=-2x-2

(,)?

Respuesta :

cleverduck cleverduck

18-03-2022

Answer:

(-3, 4)

Step-by-step explanation:

First, substitute y=-2x-2. We have 3(-2x-2)=9-x ---> -6x-6=9-x Then isolate the x. -5x=15 Simplify, we have x=-3. Then we can input this x-value back into one of the equations. We have 3y=9--3 ---> 3y=12 ---> y=4. So the solution to this system is (-3, 4).

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