2 câu trả lời
`{2x-y}/{x+y} = 2/3`
`<=> 3(2x-y) = 2(x+y)`
`<=> 6x- 3y = 2x + 2y`
`<=> 6x - 2x = 3y + 2y`
`<=> 4x= 5y`
`=> x/y =5/4`
Vậy `x/y = 5/4`
`{2x-y}/{x+y} = 2/3`
`<=> 3(2x-y) = 2(x+y)`
`<=> 6x- 3y = 2x + 2y`
`<=> 6x - 2x = 3y + 2y`
`<=> 4x= 5y`
`=> x/y =5/4`
Vậy `x/y = 5/4`
