Question

[phamthiminhtrang]

x + 80 = 200 + 100

Answer 1

[sakura]

x + 80 = 200 + 100

x + 80 = 300

        x = 300 - 80

        x = 220

Answer 2

[phamthiminhtrang]

x + 80 = 200 + 100

x + 80 = 300

x         = 300 - 80

x          = 220