Im so confused please help

9

Step-by-step explanation:

They give you the equation:

2x+3

And they give you the (x):

x=3

So you simply replace (x) with 3

2x+3

2(3)+3

now solve

2•3= 6

6+3 = 9

9 is your answer.

Hope this helps! If you have any questions on how I got my answer feel free to ask. Stay safe!