Question

3× + y -4z = 8

-× + 4y - 6z = -1
-6x - 5y + 3z = 3
Give your answer as an ordered triple.

Answer 1

(1,-3,-2)

Explanation:

Check

3x + y -4z = 8

3(1) -3 -4(-2) = 8

3 -3 + 8 = 8

8 = 8 Checks

-x + 4y - 6z = -1

-1 + 4(-3) - 6(-2) = -1

-1 -12 +12 = -1

-1 = -1 Checks

-6x - 5y + 3z = 3

-6(1) - 5(-3) + 3(-2) = 3

-6 + 15 - 6 = 3

-12 + 15 = 3

3 = 3 Checks

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