daiwjor1016 daiwjor1016
  • 12-04-2022
  • Mathematics
contestada

y = x -5
x + y = -1
whats the soultion for the systeam of eqations

Respuesta :

devishri1977
devishri1977 devishri1977
  • 12-04-2022

Answer:

x = 2

y = -3

Step-by-step explanation:

y = x - 5  -------------------(I)

x + y = -1 ----------------(II)

Substitute y = x -5 in equation (II)

x + (x - 5) = -1

x + x - 5 = -1   {Combine like terms}

   2x - 5 = -1 {Add 5 to both sides}

        2x  = -1 + 5

         2x = 4 {Divide both sides by 2}

           x = 4/2

x = 2

Substitute x = 2 in equation (I)

y = 2 - 5

y = -3

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