What is the expression for this word problem please help !! A number added to 13 all divided by 2

Step-by-step explanation:

"A number" is the part of the question you don't know, and therefore is the variable. Let's call it from now on.

So, when you add a number to 13 it means you are increasing 13 by that number, or .

To divide it all by 2, simply put the above expression on a fraction with a denominator of 2:

And there is your answer.

step-by-step explanation:

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