Question

[Song Joong Ki Song Hye Kyo]

tìm x:

x+79=100

Answer 1

[Lucy Fairy Tall]

x + 79 = 100

x         = 100 - 79 

x         = 21

Vậy x = 21

Answer 2

[Song Joong Ki Song Hye Kyo]

x+79=100

        =100-79

        =21