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07-12-2021
Mathematics

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Solve this system of equations using the Substitution method.

3x + y = -2

y = 2x + 3

Respuesta :

25001659 25001659

07-12-2021

Answer:

Step-by-step explanation:

we see that y = -3x-3

substitute that into the other equation to get

-3x-3 = 2x+7

-5x = 10

x = -2

so, y = -3(-2)-3 = 3

check to make sure (-2,3) solves both equations.

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