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10 November, 06:41

Y=5x-8. what is the input whne the output is 12?

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  1. 10 November, 06:42
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    The input is 4 because 5x4=20 and 20-8=12

    how do you solve for x?

    1) write the equation

    y=5x-8

    2) substitute 12 for y

    12=5x-8

    3) Add 8 to each side

    20=5x

    4) divide each side by 5

    x=4
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