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21 October, 06:20

Use substitutions to solve each system of equations.[y = 4x - 6] [5x + 3y = 1]

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  1. 21 October, 07:31
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    y=4x-6 ... (1)

    5x+3y=1 ... (2)

    substitute y=4x-6 into equation 2

    5x+3 (4x-6) = 1

    5x+12x-18=1

    17x=19

    x=1.12

    substitute x=1.12 into equation 1

    y=4 (1.12) - 6

    y=4.48-6

    y=-1.52

    x=1.12, y=1.52
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