Need advice & help for weight loss! thank you :)?

hey! im 17 years old :) & i like 198, so that's not cute or good at all! anyways i decided to devote my summer to working out & eating healthy! my summer started today! ive always played soccer so i know how hard it is but i need tips and need to figure out how to do this and be successful! ive always been a chubby kid so im done with excuses and ready for whatever! my goal weight is too lose 60 pounds! i know that's alot but im devoting my whole summer to this and i am so ready for the challenge! it will be hard but i know ill go through with it this time, because there's been alot of chances and never succeeding anyways i turned my phone and facebook off so i can just revolve everything over eating healthy and working out! but i need advice how to do it and how to be success a 24/7 gym membership & p90x! thank you :)