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2 votes
Which expressions are equivalent to this expression?

3(n+4)

3n+4
12+n+n+n
3n−12
2n+12+n

WILL MEDAL!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

User Janmenjaya
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8.4k points

2 Answers

0 votes
We will start by expanding (or multiplying through) with 3(n+4)

We get:
3n + 12
3n can be expanded to equal 2n+n, so the correct answer will be
2n + 12 + n

Simply add the options together and see what one matches 3n + 12

2n + 12 + n = 3n + 12, which in turn equals 3(n+4)

ANSWER: 2n + 12 + n
User Hype
by
8.5k points
7 votes

Answer:

12+n+n+n

2n+12+n

Explanation:

I took the test on K12 and this was the right answer

User MohamedSanaulla
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8.1k points