Does crossfit will help me to slim down?

crossfit will definitely help you to slim down. the workouts are so intense the will burn fat, and build muscle (which will burn even more fat). Take monthly pictures of yourself, as well as weigh and measure yourself. the most obvious changes you'll see is your measurements going down, then the pictures of you slimming down. because you will be building muscle so rapidly you will put on weight for the first few weeks. this is natural, don't let it freak you out, take comfort in the measurements and pictures that its muscle and not fat keeping your weight high.

give crossfit 3 months to see some results, don't expect miracles, but i guarantee you will see change and like it.

yes it more then likely will

keep at it

just make sure u eat a healthy diet.. less carbs an more proteins