Question

x+670=450+450

Answer 1

x+670=900

x=900-670

x=230

tk minh nha

Answer 2

x+670=450+450

x+670=900

      x =900-670

      x =230

Answer 3

x + 670 = 450 + 450

x + 670 = 900

          x = 900 - 670

          x = 230

Answer 4

x+670=900

x=900-670

x=230

Answer 5

x+670=450+450

x+670=900

x=900-670

x=230

Answer 6

x+670=450+450

x+670=900

x=900-670

x=230

Answer 7

x+670=450+450

x=450+450

x=1000+670

x=1670