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15 March, 23:51

Simplify the following expression.

7 (7y + 3z) - 21z

A.

14y

B.

49y

C.

14y - 42z

D.

49y - 24z

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Answers (1)
  1. 16 March, 02:51
    0
    B

    Step-by-step explanation:

    Distribute 7 through the parentheses, 49y + 21z - 21z

    Eliminate the opposites, 21z-21z = 0, left over 49y

    Final answer, 49y
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