Question

Tìm x :

x +78 = 90

ai nhanh mik k

Answer 1

x +78 = 90

x = 90 - 78 

x = 12

k mik nhá bn thân

Answer 2

Ta có x = 90 - 78 = 22

Answer 3

x+78=90

x=90-78

x=12

Vậy x=12

Answer 4

x + 78 =90

x          = 90-78

x           =12 

Answer 5

x + 78 = 90 

       x  = 90 - 78

       x  = 28

Vậy x= 28

Answer 6

Ủng hộ mik nha bạn ới ^_^"

Answer 7

x+78=90

x=90-78

x=12

Answer 8

x+78=90

x=90-78

x=12

Answer 9

Haruko

x + 78 = 90

x           = 90 -78

x           = 12

Answer 10

x + 78 = 90 

x = 90 - 78 

x = 12

k ủng hộ nha

Answer 11

x + 78 = 90

x         = 90-78

x         = 12  

Answer 12

x + 78 = 90

x         = 90 - 78 

x         = 12

mk làm ko nhanh lắm

Answer 13

x + 78 = 90

x         = 90 - 78

x         = 12

Answer 14

x + 78 = 90

x = 90 - 78

x = 12

Answer 15

x+78=90

x=90—78

x=22

Answer 16

x + 78 = 90

x         = 90 - 78

x         = 28

Answer 17

X + 78 = 90

X = 90 - 78

X = 22

Answer 18

x +78=90

      X=90 -78

      X=12

Answer 19

x+78=90

x=90-78

x=12

Vây: x=12