Question: I don't know how to use matrices to simplify expressions with 3 different types of variables (x,y,z). Can someone please explain this? Use matrixes to

I don't know how to use matrices to simplify expressions with 3 different types of variables (x,y,z). Can someone please explain this?

Use matrixes to simplify and solve the following system of equations. Select the correct solution.

3x + y - 2z =10

-2x +y + 2z =3

2x + y - z =7

  • A.

    (1,2, -2)

  • B.

    (3,2, -1)

  • C.

    (-1,2,1)

  • D.

    (1,3, -2)

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