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30 September, 09:53

5. For what value of x is the value of f (x) = 4x - 2 equal to 18?

4x-2

+1
Answers (1)
  1. 30 September, 10:03
    0
    x = 5

    Step-by-step explanation:

    Given

    f (x) = 4x - 2 and f (x) = 18, equating both gives

    4x - 2 = 18 (add 2 to both sides)

    4x = 20 (divide both sides by 4)

    x = 5
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