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10 May, 16:50

Which of the following expressions is always equivalent to - 2b + 4 + 4b - 7

a. b + b

b. b divided by 2

c. 2b - 3

d. 2b + 4

+3
Answers (2)
  1. 10 May, 17:33
    0
    c. 2b - 3

    Step-by-step explanation:

    Simplify the following:

    -2 b + 4 + 4 b - 7

    Grouping like terms, - 2 b + 4 + 4 b - 7 = (4 b - 2 b) + (4 - 7):

    (4 b - 2 b) + (4 - 7)

    4 b - 2 b = 2 b:

    2 b + (4 - 7)

    4 - 7 = - 3:

    Answer: 2 b + - 3
  2. 10 May, 19:18
    0
    Your answer would be C! 2b - 3
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