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2 March, 12:39

Y=x+4 y=-2x-2 solve for x and y

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  1. 2 March, 13:00
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    Set equal since both equal y anwway

    x+4=y=-2x-2

    x+4=-2x-2

    add 2x both sides

    3x+4=-2

    minus 4 both sides

    3x=-6

    divide 3

    x=-2

    sub back

    y=x+4

    y=-2+4

    y=2

    x=-2

    y=2

    (x, y)

    (-2,2)
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