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15 votes
Which algebraic expression represents "the sum of a number and 9"?

On-3
On+ 9
972
17

User Marco C
by
8.3k points

2 Answers

7 votes

Answer:

n + 9

Explanation:

a number is represented with "n"

To find the sum is to add ( + )

n + 9

User Sebastian Starke
by
8.5k points
3 votes

Answer:

Explanation:

let n be the number

n+9

User Ryan Erb
by
8.0k points

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