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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)? A and D C and D A and B B and C

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)? A and D C and D A and B B and C
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4 votes
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)?

A and D
C and D
A and B
B and C

User Bob Carpenter
by
8.3k points

2 Answers

2 votes
the answer is a because you multiply 3(6x)(2)(x)than drop all the signs down.you will get 18x+6+3x so u have a like term now 118x and 3 x so u add them ur answer will be 21x+6

User Sebastian Stigler
by
8.5k points
4 votes
A and D
are two equivalent expressions
User Epsilone
by
7.8k points
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