Question

x + 100 = 600 + 200 

Answer 1

x + 100 = 600 + 200

x + 100 = 800

x = 800 - 100

x = 700

Answer 2

x=700

Answer 3

x+100=600+200

x+100=800

x=800-100

x=700

k mk nhé

Answer 4

x+100=600+200

x+100=800

x=700

Answer 5

bai nay o dau vay bang 700