Question

[Chicchana Mune No Tokimeki thuy lin...]

x+90=100-10

ai k mk 

Answer 1

[Nguyễn Thị Thùy Linh]

x+90=100-10

x+90=90

      x=90-90

      x=0

Answer 2

[Haibara Ai]

x+90=100-10

x+90=90

x=90-90

x=0