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04-05-2020
Mathematics

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Four expressions are shown below:

A. 21x + 6
B. 3(7x + 2)
C. 18x + 9
D. 3(6x + 3)

Which two expressions are equivalent to 3(6x + 2 + x)? (5 points)

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04-05-2020

Answer:

A. 21x+6

Step-by-step explanation:

3(6x+2+x) = 3(7x+2)

3(7x+2) = 21x+6

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