Question

[Aino Megumi ll Cure Lovely]

x + 70 = 30 x 3

Answer 1

[Trương Thanh Nhân]

x + 70 = 3 0 x 3

x + 70 = 90

x        = 90 - 70

x        = 20

Answer 2

[Aino Megumi ll Cure Lovely]

x + 70 = 30 x 3

x + 70 = 90

        x = 90 - 70

        x = 20

tk mk mk tk lại