Question

Tìm x :

x + 12 = 12

x - 12 = 12

x + 14 = 56

 

Answer 1

 x + 12 = 12

x = 12 - 12

x = 0

x - 12 = 12

x = 12 + 12

x = 24

x + 14 = 56

x = 56 - 14

x = 42

Trao đổi tk

Answer 2

x + 12 = 12            

x        = 12 - 12

x        = 0

x - 12 = 12

x       = 12 + 12

x       = 24

x + 14 = 56

x         = 56 - 14

x        = 42

 k cho mik nhe !

Answer 3

x=12-12

x=0

x=12+12

x=24

x=56-14

x=42

x=

Answer 4

x + 12 = 12

        x = 12 - 12

        x = 0

x - 12 = 12

        x = 12 + 12

        x = 24

x + 14 = 56

        x = 56 - 14

        x = 42