Question

[Chicchana Mune No Tokimeki thuy lin...]

x-200=500-300

Answer 1

[Nguyễn Quang Đức]

x = 0 nhé bạn

Answer 2

[Chicchana Mune No Tokimeki thuy lin...]

x-200=500-300

x-200=200

x=200+200

x=400