BankstonC112894 BankstonC112894
  • 25-10-2022
  • Mathematics
contestada

Solve the following simultaneous equation with elimination or substitution method

Solve the following simultaneous equation with elimination or substitution method class=

Respuesta :

NikolasK580694 NikolasK580694
  • 25-10-2022

So, to solve the system:

To solve it, we could substitute the first equation in the second one and then solve for x:

We could solve the previous quadratic by factoring:

To find the values of y, just replace each vaue of x:

Therefore, the solutions of the system are

(x,y) = (-3,-1)

(x,y)=(1,3)

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