Question

[Chicchana Mune No Tokimeki thuy lin...]

x+300=400-300

ai k mk rui mk k lai

Answer 1

[nguyen thi lan huong]

x + 300 = 400 - 300

x + 300 = 100

x = 100 - 300

x = -200

k mk mk k lại 

Answer 2

[Chicchana Mune No Tokimeki thuy lin...]

x+300=400-300

x+300=100

x=100-300

x=-200

x+300=400-300

x+300=100

x=100-300

x=-200