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28 March, 17:53

26. If BD = 8x - 27 and EC-2x + 33, find BD

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  1. 28 March, 20:22
    0
    BD = 21

    Step-by-step explanation:

    8x - 27 = - 2x + 33

    Add 27 to both sides

    8x - 27 + 27 = - 2x + 33 + 27

    Simplify

    8x = - 2x + 60

    Add 2x to both sides

    8x + 2x = - 2x + 2x + 60

    Simplify

    10x = 60

    Divide both sides by 10

    10x/10 = 60/10

    x = 6

    Plug 6 for x into BD

    8 (6) - 27

    48 - 27

    = 21
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