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Four expressions are shown below: 21x + 6 3(7x + 2) 18x + 9 3(6x + 3) Which two expressions are equivalent to 3(6x + 2 + x)? A and D C and D A and B B and C

Four expressions are shown below: 21x + 6 3(7x + 2) 18x + 9 3(6x + 3) Which two expressions are equivalent to 3(6x + 2 + x)? A and D C and D A and B B and C
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5 votes
Four expressions are shown below:

21x + 6
3(7x + 2)
18x + 9
3(6x + 3)

Which two expressions are equivalent to 3(6x + 2 + x)?
A and D
C and D
A and B
B and C

User Szuniverse
by
8.4k points

2 Answers

1 vote
A and B are equivalent to 3(6x+2+x).
User Joonho
by
7.7k points
6 votes
A and B would be correct

A
3 * (6x + 2 + x) = 18x + 6 + 3x = 21x + 6

B
3(6x + 2 + x) = 3(7x+2)
User LunicLynx
by
8.3k points
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