Question: Solve the system using Gaussian elimination or Gauss-Jordan elimination. -3 x - 3 y - 3 z =30 -9 x - 9 y - 9

Solve the system using Gaussian elimination or Gauss-Jordan elimination.

-3x- 3y- 3z=30

-9x- 9y- 9z=90

-1.5x- 1.5y- 1.5z=15

Select one:

a.{(2,2,6)}

b.{(x,y,z) |-3x- 3y- 3z=30}

c.{ }

d.{(-2,-2,-6})

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