eleduainternational
eleduainternational eleduainternational
  • 19-04-2021
  • Mathematics
contestada

what of the following us a solution to the system of equations​

what of the following us a solution to the system of equations class=

Respuesta :

jimrgrant1 jimrgrant1
  • 19-04-2021

Answer:

(- 1, - 5 )

Step-by-step explanation:

Given the 2 equations

y = 3x - 2 → (1)

6 + y = - x → (2)

Substitute y = 3x - 2 into (2)

6 + 3x - 2 = - x

4 + 3x = - x ( add x to both sides )

4 + 4x = 0 ( subtract 4 from both sides )

4x = - 4 ( divide both sides by 4 )

x = - 1

Substitute x = - 1 into (1) for corresponding value of y

y = 3(- 1) - 2 = - 3 - 2 = - 5

solution is (- 1, - 5 )

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