Answer and explanation:
Please find attached answer and explanation 
 
        
             
        
        
        
Answer:

Step-by-step explanation:
It could also be 
 depending on how the problem is actually set up.
 
        
             
        
        
        
Answer:
y = 8
Step-by-step explanation:
Hello!
We can solve for y by isolating it.
<h3>Solve for y</h3>
- 3y - 15 = y + 1
 - 3y - 15 - y = y +1 - y
 - 2y - 15 = 1
 - 2y - 15 + 15 = 1 + 15
 - 2y = 16
 - y = 16/2
 - y = 8
 
The value of y is 8.