chia trường hợp ra vd a) TH1: -x+5=0 TH2: 3-x=0

-x=-5 ,x=5 x=3-0,x=3 vậy x=5;x=3

foggy

bố ai trả lời được

Trần Đăng Khoa mà bạn

mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm

my neigh bo

tao tên giả là ốc nè

có làm mới có ăn

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10.(-10)=-100