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19 November, 02:07

If ef = 2x-7, fg = 3x-9, and eg = 19, find the values of x, ef, and fg

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  1. 19 November, 04:44
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    ef+fg = eg

    2x-7 + 3x-9 = 19

    5x-16=19

    add 16 to each side

    5x = 35

    x=7

    ef = 2x-7

    ef = 2*7-7

    ef = 7

    fg = 3x-9

    = 3*7 - 9

    = 21 - 9

    = 12

    Answer: x=7

    ef = 7

    fg = 12
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