77.1k views
22 votes
The sum of 9 and twice a number

1 Answer

8 votes

Answer:

2x + 9

Explanation:

Let, "A number", be denoted by the variable, x.

Note the meaning of each part:

"the sum" means addition, or + .

"twice" means multiply by 2

Put the parts together:

The sum of 9 and twice a number

2x + 9 is your amsw34.

User Abhinandan Sharma
by
4.6k points