Can push ups help you gain muscle in your chest?

im 15 and i was wondering if push ups or what kind of pushups will help define your chest. now im doing normal pushups with my hands shoulder width, pushups with my hands spread out, and pushups with my hands under my shouldersand my elbows staying at my sides i just wanted to gain muscle in my chest to get... show more im 15 and i was wondering if push ups or what kind of pushups will help define your chest.

now im doing normal pushups with my hands shoulder width, pushups with my hands spread out, and pushups with my hands under my shouldersand my elbows staying at my sides

i just wanted to gain muscle in my chest to get rid of the extar fat on them

i also have weights that i can put on 35 pounds on each but i dont have a workout bench
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