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30 May, 20:11

Write the x-intercept of the graph of - 4x - 7y = 21

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  1. 30 May, 23:45
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    Step-by-step explanation:

    The x-intercept exists where y = 0. So set y equal to 0 and solve for x:

    -4x - 7 (0) = 21 and

    -4x = 21 so

    x = - 21/4
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