Question

[Bảo Trâm Trần]

8,75*x+1,25*x=20

giup nha cac ban tra loi cang som cang tot

Answer 1

[bang bang cap 40 ai solo ko]

8,75 x x + 1,25 x x=20

[8,75+1,25]x x=20

10 x x=20

        x=20:10

         x2

Answer 2

[cong chua lo lem]

x.(8,75+1,25)=20

x.10=20

x=20:10

x=2

dung thi k cho minh nha