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19 March, 08:28

What is the solution to the system of equations below?

X + y + z = 14

y + Z = 7

Z = 3

O A. x = 7, y = 4, z = 3

OB. X = 8, y = 3, z = 3

O c. x = 10, y = 1, z = 3

O D. x = 5, y = 6, z = 3

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Answers (1)
  1. 19 March, 12:08
    0
    A. x = 7, y = 4, z = 3

    How?

    Just plug in the numbers.

    7 + 4 + 3 = 14

    11 + 3 = 14

    14 = 14

    Next.

    4 + 3 = 7

    Next.

    3 = 3
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