Question

[nguyenthingochuyen]

x + 890 = 3900 - 3000

Answer 1

[tran linh linh]

x+890=900

x=900-890

x=100

Answer 2

[nguyenthingochuyen]

x + 890 = 3900 - 3000

x + 890 = 900

x = 900 - 890

x = 10