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18 August, 08:53

UPLI

Given f (x) = - 2x - 12, find x when f (x) = 20.

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  1. 18 August, 09:16
    0
    x = - 16

    Step-by-step explanation:

    Set - 2x - 12 = to 20 and solve for x:

    Adding 12 to both sides, we get - 2x = 32, so that x = - 16
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