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8 March, 02:24

8 - (3+b) = b-9 ion understand this

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  1. 8 March, 05:11
    0
    b = 7

    Step-by-step explanation:

    Given

    8 - (3 + b) = b - 9 ← distribute parenthesis on the left by - 1

    8 - 3 - b = b - 9, that is

    5 - b = b - 9 (subtract b from both sides)

    5 - 2b = - 9 (subtract 5 from both sides)

    - 2b = - 14 (divide both sides by - 2)

    b = 7
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