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5 October, 14:37

30 - - 5n + 16 + 3n =

+4
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  1. 5 October, 14:45
    0
    8n + 46

    Step-by-step explanation:

    Combine like terms. First, simplify the signs. two negatives directly next to each other equals one positive:

    - (-5n) = + 5n

    30 + 5n + 16 + 3n = (30 + 16) + (5n + 3n)

    (30 + 16) = 46

    (5n + 3n) = 8n

    8n + 46 is your answer.
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