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30 October, 19:52

5. Find the inverse for the equation f (x) = 7x - 3.

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  1. 30 October, 23:26
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    The inverse is (x+3) / 7

    Step-by-step explanation:

    y = 7x-3

    Exchange x and y

    x = 7y-3

    Solve for y

    Add 3 to each side

    x+3 = 7y-3+3

    x+3 = 7y

    Divide each side by 7

    (x+3) / 7 = 7y/7

    (x+3) / 7 = y

    The inverse is (x+3) / 7
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