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29 January, 05:41

5. What is the solution to the system of equations?

{-x + 2y + z = 10

{ z = 6

{3x - 2y + 2z = 8

A: (0, 2, - 6)

B: (0, 2, 6)

C: (-1, 2, 6)

D: (0, - 2, 6)

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Answers (1)
  1. 29 January, 08:41
    0
    B.

    This can be done by plugging 6 in for z in the first and third equations. After doing so, you can solve for either of the other two variables and get an answer based on the substitution method.
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