Question

[Thanh Châu Nguyễn Hoàng]

(x-5555):2=0
(2x+999).(133.11-122.11-121)=0

Answer 1

[Nguyễn Lê Nguyệt Minh]

a) ( x - 5555 ) ÷ 2 = 0

     =) x - 5555 = 0.2

     =) x - 5555 = 0

     =) x = 0 + 5555

     =) x = 5555