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10 November, 08:19

Simplify the expression - 30 + d - 12 + 6d

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  1. 10 November, 10:29
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    the answer is 7d - 42

    Step-by-step explanation:

    add like terms

    -30 + (-12) = - 42

    6d + d = 7d

    combine the two terms together

    7d - 42 (standard form) or - 42 + 7d
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