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29 September, 23:42

Put answer in coordinate form: 2x + 2y = - 2 and 9x - 6y = 36

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  1. 30 September, 01:37
    0
    Coordinate form is (x, y) using the variables respectively.

    2x+2y=-2

    -2y

    2x = - 2-2y

    /2

    x=-1-y

    9x-6y=36

    9 (-1-y) - 6y=36

    -9-9y-6y=36

    +9.

    -9y-6y=45

    -15y=45

    /-15

    y=-3

    x=-1-y

    x=-1 - (-3)

    x=2

    answer: (2,-3)
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