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6 September, 19:42

What is the x-intercept of 3x + 4y = 12

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  1. 6 September, 20:50
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    The x-intercept is the value of x when y=0

    So

    Plug 0 in for y and solve

    3x + 4y = 12

    3x + 4 (0) = 12

    3x + 0 = 12

    3x = 12

    3x/3=12/3

    x=4
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