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18 January, 07:21

Use the substation to solve the system of equations choose the correct ordered pair y=6x-4 y=7x-7

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  1. 18 January, 07:51
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    (x, y) = (3, 14)

    Step-by-step explanation:

    since both equations express y in terms of x, equate the right sides

    7x - 7 = 6x - 4 (subtract 6x from both sides)

    x - 7 = - 4 (add 7 to both sides)

    x = 3

    substitute x = 3 into either of the 2 equations for y

    using y = 6x - 4 = (6 * 3) - 4 = 18 - 4 = 14

    solution is (3, 14)
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