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20 April, 02:23

If 3 (d+1) = 4 (d-2), then what is the value of 5 (d-2) ?

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  1. 20 April, 06:18
    0
    Ans = > 45

    Step-by-step explanation:

    3 (d+1) = 4 (d-2)

    Expanding the brackets we have:

    3d + 3 = 4d - 8

    our aim now is to solve for d

    3d - 4d = - 8 - 3

    -d = - 11

    => d = 11

    we can now get 5 (d-2)

    substituting d = 11

    5 (11-2)

    5 (9)

    = 45
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