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math

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for h(x)=5-4x, determine the input for x when the output of h(x) is -11

i have tried to answer this question so many times , but i cant figure it out

  • math -

    5 - 4 x = -11

    - 4 x = -11 -5

    - 4 x = -16 Divide both sides with - 4

    - 4 x / - 4 x = - 16 / - 4

    x = 4

    Proof:

    h ( x ) = 5 - 4 x = 5 - 4 * 4 = 5 - 16 = - 11

  • math -

    5 - 4 x = -11

    - 4 x = -11 -5

    - 4 x = -16 Divide both sides with - 4

    - 4 x / - 4 = - 16 / - 4

    x = 4

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