x + 80 = 70 + 90
x + 80 = 160
x = 160 - 80
x = 80
x + 80 = 70 + 90
x + 80 = 160
x = 160 - 80
x = 80
tk mk mk tk lại
x + 80 = 70 + 90
x + 80 = 160
x = 160 - 80
x = 80
k nháAino Megumi ll Cure Lovely
X+80=70+90
X+80=160
X=160-80
X=80
Vậy =80
x + 80 = 70 + 90
x + 80 = 160
x = 160 - 80
x = 80