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12 March, 18:30

Determining the input using an equation f (x) = - 1/3x + 7

determine the input that would give an output value of 2/3

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Answers (1)
  1. 12 March, 19:33
    0
    19

    Step-by-step explanation:

    f (x) = 2/3

    2/3=-1/3x+7

    Subtract 7 from both sides

    2/3-7=-1/3x

    -6 1/3 = - 1/3x

    Multiply both sides by - 3

    -3 (-6 1/3) = -1/3x (-3)

    19 = x
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