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3 November, 08:35

8x+5y=40 How to find a slope

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  1. 3 November, 09:01
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    the slope is - 8/5

    Step-by-step explanation:

    we need to get the equation in the form

    y = mx+b where m is the slope and b is the y intercept

    8x + 5y = 40

    subtract 8x from each side

    8x-8x + 5y = - 8x + 40

    5y = - 8x+40

    divide each side by 5

    5y/5 = - 8x / 5 + 40/5

    y = - 8/5 x + 8

    the slope is - 8/5 and the y intercept is 8
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