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2 August, 07:19

Solve each system by elimation 2x-3y=6 and 6x-9y=9

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  1. 2 August, 07:43
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    6x - 9y = 9 ... divide everything by 3

    2x - 3y = 3

    -3y = - 2x + 3

    y = 2/3x - 1 ... slope is 2/3, y int is - 1

    2x - 3y = 6

    -3y = - 2x + 6

    y = 2/3x - 2 ... slope is 2/3, y int is - 2

    same slope, different y int means parallel lines means no solutions
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