The divisibility rule
For example
The divisibility rule for three is adding the number together
1+8+6+4+2+6= 27
And 3 is divisible by 27
And for nine
It’s similar to three
1. Factor the expression 

2. Since
is placed in the denominator of the given expression, then 
3. Now the expression can be simplified:

Answer: I think y is 32 im not good at this tho
Step-by-step explanation:
Your question is very confusing but x=8 so just plug in 8 where you see X
The answer is 4x that the answer