Question

You have a deck of t trading cards. You give 15 cards to a friend and have 5 left for yourself. How many cards were in the original ​ deck? Write a​ simpler, equivalent equation to solve t - 15 = 5 and find the number of cards in the deck

enter your response here trading cards in the deck.

Answer 1

Answer: 20 cards were in the original deck

Explanation:

t - 15 = 5
Reverse the equation
15 + 5 = t
15 + 5 = 20
t = 20