Solve the given system of three equations and select the correct relationship between $x, y,$ and $z$ from the given options.
$I. x + 3y + 4z = 96$
$II. 2x + 8z = 80$
$III. 2x + 6y = 120$

  • A
    if $x < y = z$
  • B
    if $x \leq y < z$
  • C
    if $x < y > z$
  • D
    if $x = y > z$

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