Question

x + 600 = 600 + 400

Answer 1

x + 600 = 1000

x = 1000- 600 

x = 400

k mk nhe 

 chuc ban hoc gioi

Answer 2

x+600=1000

x=1000-600

x=400

Answer 3

x + 600 = 600 + 400

x + 600 = 1000

x          = 1000 - 600

x          = 400

Answer 4

x + 600 = 600 + 400

  x = 600 + 400 - 600

  x = 400

Vậy : x = 400

Answer 5

x+600=600+400

x+600=1000

x=1000-600

x=400

tk mk mk tk lại

Answer 6

x+600=1000

x=1000-600

x=400

Answer 7

tk mình mình tk lại, thank you very much ^ - ^

Answer 8

x+600=1000

x=1000-600

x=400

Answer 9

x=400 bn ơi k cho mk

Answer 10

x+600=600+400

x+600=1000

x=1000-600

x=400

k mk nhaphamthiminhtrang

Answer 11

x + 600 = 600 + 400

x + 600 = 1000

x          = 1000 - 600

x          = 400