Which expression shows twice the sum of 8 and a number n? A. 2(n + 8) B. 2n + 8 C. 8(n + 2) D. 2(8n)

Question

Which expression shows twice the sum of 8 and a number n?
A. 2(n + 8)
B. 2n + 8
C. 8(n + 2)
D. 2(8n)

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niczorrrr 5 months 2021-08-09T11:04:35+00:00 1 Answers 3 views 0

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    2021-08-09T11:05:45+00:00

    Correct Answer: A. 2(n+8).

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )