Question

During a card game you give someone 5 cards then someone else gives you 7. Write an addition expression to describe this situation. Then find the sum.

Answer 1

c will equal the total amount of cards.

c = (-5) + 7

c = 2

You have 2 additional cards.

Answer 2

x will be total amount of cards you have in the beginning
g will be the final amount


x - 5 + 7 = g
x +(7-5) = g
x + 2 = g

answer

x + 2 = g 

hope this helps