The conversation between human and AI assistant.
[|Human|] Divide the equation below and simplify.
[|AI|] To simplify the equation, we can divide both sides by 3:

(3x + 6y) / 3 = 15 / 3

Simplifying further, we get:

x + 2y = 5

Thus, the simplified equation is: x + 2y = 5.
[|Human|] 
Divide the equation below and simplify.