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13 January, 22:42

Find the equation of the line parallel to the graph of 7x-3y=21 that has an x-intercept of - 1.

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  1. 14 January, 00:20
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    To start this, you would have to get y by itself to have an equation you can graph. Start by subtracting 7x from both sides.

    -3y = - 7x+21

    Next, divide both sides by - 3

    y = 7/3x + 7

    A parallel line would have the same slope of 7/3x. Since you need to have an intercept of - 1 the equation would be y = 7/3x - 1
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