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5 votes
Are 5n + 9 + n and 3(2n+9) equivalent expressions

User Oleksandra
by
7.9k points

2 Answers

6 votes

Answer:

No, 5n+9+n is not equivalent to 3(2n+9)

Explanation:

5n+9+n

and

3(2n+9)

5n+9+n

Add the common terms

5n+n+9=6n+9

5n+9+n=6n+9

Then,

3(2n+9)

Open the bracket

We have,

6n+27

3(2n+9)=6n+27

Therefore,

5n+9+n is not Equivalent to 3(2n+9)

User Joe Withey
by
7.8k points
4 votes

Answer: No

Step-by-step explanation: If you simplify the first expression, you get 6n + 9, and if you simplify the second expression, you get 6n + 27. So they are NOT equivalent.

User Amanni
by
8.3k points

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