Respuesta :

hallj479

Answer:

{y,x}={1,3}

Step-by-step explanation:

[1]    y - 2x/3 = -1

  [2]    y + x = 4

// To remove fractions, multiply equations by their respective LCD

    Multiply equation [1] by 3

// Equations now take the shape:

  [1]    3y - 2x = -3

  [2]    y + x = 4