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Select all expressions that are equivalent to 6 + 12x.

A. 3(2 + 4x)

B. 3(2 + 6x) + 6x

C. 5(1 + 2x) + 1 + 2x

D. 7(1 + 2x) – 2x – 1

E. 7(1 + 2x) + 10x – 1

User Hanugm
by
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2 Answers

3 votes

Answer:

A, C, D

Explanation:

A: 3×2=6

3×4x=12x

C: 5×1=5+1=6

5×2x=10x+2x=12x

D: 7×1=7-1=6

7×2x=14x-2x=12x

User Sparkler
by
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4 votes

E. 7(1 + 2x) + 10x – 1

User Baris
by
9.2k points

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