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The solution of the following set of equations is

$$x+2y+3z=20$$

$$7x+3y+z=13$$

$$x+6y+2z=0$$

  1. $\text{x=-2, y=2, z=8}$
  2. $\text{x=2, y=-3, z=8}$
  3. $\text{x=2, y=3, z=-8}$
  4. $\text{x=8, y=2, z=-3}$
in Equations 7.9k points
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