penst68bew
penst68bew penst68bew
  • 11-04-2021
  • Mathematics
contestada

Solve the system by substitution.
x=-6y 4x + 10y = 14

Respuesta :

devishri1977
devishri1977 devishri1977
  • 11-04-2021

Answer:

x = 6

y = -1

Step-by-step explanation:

x = - 6y ----------------------(I)

4x + 10y = 14 ------------------(II)

Substitute x = -6y in equation (II)

4*(-6y) + 10y = 14

-24y + 10y = 14  {Combine like terms}

           -14y = 14   {Divide both sides by 1-4}

               y = 14/-14

y = -1

Now, substitute y = -1 in equation  (I)

x = - 6*(-1)

x = 6

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