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30 December, 18:18

Determine which of the lines, if any, are parallel. Explain.

Line a: 3y-x=6

Line b: 3y=x+18

Line c: 3y-2x=9

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  1. 30 December, 22:02
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    Isolate the variable y

    Line a: 3y = x+6

    y = 1/3x + 2

    Line b: 3y = x+18

    y = 1/3 x + 6

    Line c: 3y = 2x+9

    y = 2/3x + 3

    Explanation:

    Lines a and b are parallel because they have the same slope of 1/3.
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