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10 January, 13:32

Combine the Expression: (3z + 1) + (5 + 7z)

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  1. 10 January, 13:45
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    10z + 6

    Step-by-step explanation:

    (3z + 1) + (5 + 7z) =

    Drop the parentheses since they are unnecessary.

    = 3z + 1 + 5 + 7z

    Group like terms together.

    = 3z + 7z + 1 + 5

    Combine like terms.

    = 10z + 6
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