which expression is equivalent 5/2 (2x + 1)? A. 5x + 5/2 B. 5x + 1 C. 2x + 5/2 D. x + 5/2

Question

which expression is equivalent 5/2 (2x + 1)?

A. 5x + 5/2
B. 5x + 1
C. 2x + 5/2
D. x + 5/2

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Neala 6 days 2021-07-22T21:19:48+00:00 1 Answers 4 views 0

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    2021-07-22T21:21:34+00:00

    answer: A. 5x + 5/2

    explanation:
    distribute the 5/2 by multiplying it by each number inside the parenthesis
    (5/2)(2) + (5/2)(1)
    = (10/2)x + (5/2)
    = 5x + 5/2

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