Question

3/4.x+2/5.x=1

Ai trả lời nhanh nhất mik tick cho

Answer 1

x=23/6

Answer 2

3/4 . x + 2/5.x = 1 

x ( 3/4 + 2/5 ) = 1

x.23/20 = 1

x = 1 : 23/20 = 1 . 20/23

x = 20/23

Answer 3

3/4.x+2/5x=1

  (3/4+2/5)x=1

   23/20x   =1

           x    =1:23/20

           x    =20/23

Answer 4

x.(3/4+2/5)=1  suy ra x.23/20=1  suy ra x=20/23