Everyone who comes too my party gets two cans of soda. I bought 14 cans for the party we want to consider how many people come and how many sodas i...

Everyone who comes too my party gets two cans of soda. I bought 14 cans for the party we want to consider how many people come and how many sodas i have left after the party.

What will X be and what Y be?

What would be the linear equation for this word problem and why?

Please help