Here is you're answer:
In order to get the answer you have to find the common denominator then add.

- Find common denominator:

- Add:


- Simplify:


Therefore you're answer is "1/3."
Hope this helps!
Step-by-step explanation:
Replace each x in the expression/equation with the given value. Then use order of operations to simplify and solve. There are some great videos out there explaining the concept.
Answer:
a
Step-by-step explanation:
<h2>Solving Equations with Absolute Values</h2><h3>
Answer:</h3>
and 
<h3>
Step-by-step explanation:</h3>
Solving for the Positive Absolute Value:

Solving for the Negative Absolute Value:

(x cookies) / (23 students - (12/2) students) = 2 cookies per student
[x / (23 - 6)] cookies per student = 2 cookies per student
23 students * (2 cookies per students) - 12 cookies = x cookies
The "students" unit cancels
46 cookies - 12 cookies = x cookies
x cookies = 34 cookies