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8 November, 17:42

Y = - 3x + 6

y = 9

What is the solution to the system of equations?

(-21, 9)

(9, - 21)

(-1, 9)

(9, - 1)

+3
Answers (1)
  1. 8 November, 18:35
    0
    Since y is 9, we can just sub it in the first equation,

    9 = - 3x + 6

    3 = - 3x

    x = - 1

    so the answer is the third one
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