Question

x + 200 = 900 + 400

Answer 1

x=900+400-200=1100

Answer 2

x= 1100

Answer 3

= 1100 nha

Answer 4

x + 200 = 900 + 400

x + 200 = 1300

x = 1300 - 200

x = 1100

k mk nha

Answer 5

x + 200 = 900 + 400

x + 200 = 1300

x = 1300 - 200

x = 1100

k mk nha

Answer 6

x+200=1300

x=1300-200

x=1100

k mk nha

Answer 7

x=1100 bạn nha

CHÚC BẠN HỌC GIỎI

Answer 8

x=900+400-200=1100

Answer 9

x + 200 = 1300

X         =1300-200

X        =1100

Answer 10

x+200=900+400

x+200=1300

          x=1300-200

         x=1100

Answer 11

1100 ban nhe

Answer 12

x + 200 = 900 + 400

x          = 1300

x          = 1300 - 200

x          = 1100

Answer 13

x + 200 = 900 + 400

x + 200 = 1300

x          = 1300 - 200

x          = 1100