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20 September, 13:32

A function follows the rule y = - 75 - 5x. When the function's output is 25, the equation is 25 = - 75 - 5x. What is the function input when the output is 25? 20 - 20 10 - 10

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  1. 20 September, 15:26
    0
    -20

    Step-by-step explanation:

    add 75 to both sides.

    25+75=-5x

    2 Simplify 25+75 to 100.

    100=-5x 100=-5x

    3 Divide both sides by - 5.

    5/ 100

    =x

    4 Simplify

    5/ 100

    to 20.

    -20=x

    5 Switch sides.

    x=-20
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