Answer:
3 
Explanation:
Pre-Solving
We are given the following fraction: 
 
Where x = 3 , y = 2, and z = 6. We want to evaluate the fraction for these values. 
Solving
First, substitute 3 as x in the fraction. 


Substitute 2 as y. 

Substitute 6 as z. 

Simplify: 
 = 3