In what ways does algebra act as a tool to improve communication? how does algebra affect how people can learn from each other?

Pls! does anybody know a shortcut for answering these types of questions in the future?

If i have one apple and give you the apple, how many apples do i have?

Acollection of coins has value of 64 cents. there are two more nickels than dimes and three times as many pennies as dimes in this collection. how many of each kind of coin are in the collection?