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24 September, 06:40

Complete the solution of the equation. find the value of y when x equals 20. - 2x+4y=-4

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  1. 24 September, 07:40
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    When x=20, y = 9.

    Step-by-step explanation:

    Rewrite the equation into slope-intercept form.

    4y=-4+2x

    Divide by 4 to isolate y

    y=-1 + (2/4) x

    y = (1/2) x - 1

    Then plug in 20 for x.

    y = (1/2) (20) - 1

    y=10-1

    y=9
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