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3 votes
"the sum of d and 9.

User Trptcolin
by
3.0k points

2 Answers

2 votes

Answer:

d+9

Explanation:

You cant combined unlike terms with addition

6 votes

Answer:

d+9

Explanation:

sum implies addition

so you would add d and 9

since d is a variable the most you can simplify is

d+9

User Franziska
by
3.9k points