Question

Tìm x :

x + 400 = 500

Answer 1

x+400=500

      x =500-400

      x =100

Answer 2

x + 400 = 500

x          = 500 - 400

x          = 100

mik

Answer 3

x + 400 = 500

x          = 500 - 400

x          =  100

tk mình nhé !

Answer 4

x+400=500

x       =500-400

x       =100

Answer 5

x+400=500

x=500-400

x=100

Answer 6

X+400=500

X=500-400

X=100

Vậy X=100

Answer 7

x + 400 = 500

         x = 500 - 400

         x = 100

Answer 8

x=100 nha!

Answer 9

x + 400 = 500

         x = 500 - 400

         x = 100

Tk cho mk nhé

Answer 10

x+400=500

x=500-400

x=100

=>x=100