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5 March, 13:44

If f (x) = - 3x + 6 and f (x) = 18

then what is the value of x?

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Answers (1)
  1. 5 March, 17:32
    0
    -4=x

    Step-by-step explanation:

    f (x) = - 3x + 6

    Let f (x) = 18

    18 = - 3x+6

    Subtract 6 from each side

    18-6 = - 3x+6-6

    12 = - 3x

    Divide each side by - 3

    12/-3 = - 3x/-3

    -4=x
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