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6 November, 04:39

Which ordered pair is the solution to the system of lunear equations y = 5x + 8 and y = - 4x - 1

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  1. 6 November, 06:38
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    The order paired (-1, 3) is the solution

    Step-by-step explanation:

    ∵ y = 5x + 8

    ∵ y = - 4x - 1

    ∴ 5x + 8 = - 4x - 1

    ∴ 5x + 4x = - 1 - 8

    ∴ 9x = - 9

    ∴ x = - 1

    Substitute x in any of the two equation to find the value of y

    ∴ y = 5 (-1) + 8 = - 5 + 8 = 3

    ∴ The ordered pair is (-1, 3)
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